On a scatter plot both sets of data values increase. When the data points all lie close to a line, a line of fit or trend line can model the trend. Scatter Plots and Trend Lines 1. Calculate the mean, median, mode and range. You enter the data and choose the type of graph, we make the worksheet. Scatter Plots - Worksheet #2 Step #4: Write an equation for your trend line. The scatter plot shows a projection of the average ocelot population living in Laguna Atascosa National Wildlife Refuge near Brownsville, Texas. negative trend 3. Scatter Plot; With a scatter plot a mark, usually a dot or small circle, represents a single data point. Scatter Plots 8. Scatter Plots may show positive, negative, or no correlation. Scatter Plot Lesson Plans & Worksheets | Lesson Planet www. 6 - Represent data on two quantitative variables on a scatter plot, and describe how the variables are related. Vary the correlation and explore how correlation is reflected in the scatter plot and the trend line. MFM1P - Scatter Plots Date: Page 2 of 2 3) What is the relationship between the price of a book in Canada compared to the price in the US? a) Draw a scatter plot and a line of best fit for the data set below. pdf), Text File (. Describe the trend: Describe the trend: For each scatter plot, find a better trend line than the one shown. If the points are tightly clustered along the trend line, then there's probably a strong correlation. MUSIC The scatter plot shows the number of CDs (in millions) that were sold from 1999 to 2005. Students will learn to construct and interpret scatterplots, identify lines of best fit, find outliers, and answer critical-thinking questions. See back of book. Every 5 blocks, make a tic mark. more over The Scatter Plots And Lines Of Best Fit. Choose the “Linear option” from the available options since the markers show a linear trend. Circle the answer. Data Collection is Fun(gi) – use notes gathered in a field journal to create a data table to organize information about fungi and graph the relationship between fruiting body size and number. Find an Ecíuáíion— for the trend line. Use data points to make a Scatter Plot Draw in a Trend Line Use the two points to write the equation of the line. ¾Thus, the trend in the independent variables is no longer “forced” to explain the trend (if any) in the dependent variable. , This variable is impacted by the other variable and is placed on the y-axis. We can also draw a "Line of Best Fit" (also called a "Trend Line") on our scatter plot: Try to have the line as close as possible to all points, and as many points above the line as. Draw a line that goes in the same direction as the data. also called regression analysis. Emphasize linear, and exponential models. Sample Scatter Plot 25 ro 20 X-axis Tax payments (thousands) O SCATTER PLOT EXAMPLES Positive Correlat. Holt McDougal Algebra 1Holt McDougal Algebra 1Scatter Plots and Trend LinesCreate and interpret scatter plots. Worksheets are scatter plots name hour date scatter plots and lines of best fit work scatter plots tall. xts time series objects which inherit from zoo’s objects for ordered time series objects. Plot implicit and parametric equations, add variables with sliders, define series and recursive functions. The values for time are: increasing distance are: So, there is a. Solution: Construct a table and choose simple x values. ] After first adding a linear trend to this plot and then clicking “Get Summary” we get: Linear Trend: height = 85. Make a scatter plot of the data pairs using the male population for the x-coordinates and the female population for the y-coordinates for each year. scatter plots of linear functions high school statistics- hss-id. 7 ­ Scatter Plots and Trend Lines. Write the equation of a line that goes through (4, 3) and is perpendicular to y=3x+2. Make a scatter plot of the data below. Create a scatter plot with the data. Interpret a correlation. Circle the answer. Learn scatter plots trend lines with free interactive flashcards. Extend your trend line so that it crossed the y-axis. She is measuring how many words per minute (wpm) she can read after each week of the class. Although Tableau draws the trend line on each of the plots, the description of the trend model (i. As the correlation coefficient increases, the observations group closer together in a linear shape. Describe the correlation. Worksheets are Instructional fair inc math 96 pdf, Instructional fair inc math fractions pdf, Answers to geometry if8763, Contemporary cursive, Classroom assessment practices and teachersself perceived, Grammar and language workbook part 1 grammar, Grammar, Additional practice in grammar usage and. Such a line may pass through some of the points, none of the points, or all of the points on the. A scatterplot (or scatter chart in Excel) is a useful way to plot an independent variable on. Problem 1 : Lily is getting trained for a 10K race. Scatter plot, Correlation, and Line of Best Fit Exam : Interpret Linear Models ANSWER KEY Mrs Math 1. You have been working on a science project for 8 months. b) Describe the trend c) Describe the correlation d) Describe the relationship. This teacher resource consists of a guide for using a card game based on Gapminder world to encourage students to consider the inequalities between countries and to challenge their preconceived ideas about the world. Click Scatter with smooth lines and markers. Use this equation to answer each question. 5 - Scatter Plots and Trend Lines (Drawing Scatter Plots and Trend Lines, Making Predictions From Data, Causation vs. Graph a scatter plot using the given data. The good news is that improved quality inherently lowers costs as it provides a better product and/or service. Label the axes and include a title. # It is easier to see the trend and possible relationship by including a line that fit through the points. How to write the Equation of a Trend Line: 1. GRAPHER 10 - Grapher is an easy to understand technical graphing package for scientists or anyone who needs to create publication-quality graphs quickly and easily Scientific Software Group is the premier provider of groundwater software, environmental software, groundwater modeling software, surface water modeling software, hydrology software, hydraulic engineering software, geotechnical. Hence, you can use the checkboxes to create a dynamic line chart in your Excel worksheet. 270):_____ _____ A graph with points plotted to show a possible relationship between two sets of data. Construct a line graph to visually display this data. Purpose of excel chart templates. Do you notice a pattern or trend in the data? If so, draw a straight line or curve that represents that trend. Download Article PDF; Download. scatter plot fall directly on a line with an upward incline, r = +1; When all points fall directly on a downward incline, r = !1. 100 80 60 20 30 50 x 10 20 40 Study Tirœ (minutes). Line graphs are good for plotting data that has peaks (ups) and valleys (downs), or that was collected in a short time period. MFM1P - Scatter Plots Date: Page 2 of 2 3) What is the relationship between the price of a book in Canada compared to the price in the US? a) Draw a scatter plot and a line of best fit for the data set below. Plot the data from the table on the graph. For scatter plots that suggest a linear association, informally fit a straight line, and informally assess the model fit by judging the closeness of the data points to the line. Make bar charts, histograms, box plots, scatter plots, line graphs, dot plots, and more. Choose the graph where the line best fits the data points given. Recognize characteristics of linear and exponential functions. Identify the correlation of a scatterplot. Excel Tips for Total Reward Practitioners Weeks 52 - 58 – Regression Analysis Week 52 How to do Linear Regression using a Scattergram Regression Analysis, while it sounds complex, is really just about finding a line of best fit for a set. My goal is to display a graph of temperature versus time so that I can visually analyze trends. Focus on the information given. To predict city resources each year, a city plots it population on a grid and finds a line of best fit to predict its. Test Scores Tickets Sold 10 20 30 40 50 Adult Tickets 30 55 80 112 137 Children Tickets Test Score 76 85 83 97 92 Study Time (min) 33 52 49 101 65. Lecture Worksheet Homework Content has more in depth activities. Clear your calculator's memory 2. When recording values of the same variable over an extended period of time, sometimes it is difficult to discern any trend or pattern. Draw a trend line and write an equation for the trend line. GO for Help Scatter Plots and Equations of Lines 350 Chapter 6 Linear Equations and Their Graphs Lesson 1-6 Use the data in each table to draw a scatter plot. Data Science Certification Course Training In Kenya. Extension: Use graphing technology to make scatter plots and lines of best fit. get that the equation of the regression line. Write an equation of the line using the point‐slope form. Showing top 8 worksheets in the category - Scatter Plots And Trend Lines. Identify the correlation of a scatterplot. Describe the correlation. Then we look at the two red points. Such a line may pass through some of the points, none of the points, or all of the points on the. Scatter Plot And Line Best Fit Worksheet Free Worksheets from Scatter Plot Worksheets, source:comprar-en-internet. On a scatter plot one set of data values increases as the other set decreases. digit to the right of the line (the 'leaves'), so that the number of leaves equals the number of observations falling into that interval. How to Make Animated Graphs This tutorial will walk you through the steps of creating a simple animated graph in Excel. In a scatterplot, a dot represents a single data point. Clicking the manage templates button will open the charts folder with all existing templates. One of the goals of statistics is the organization and display of data. Data points are plotted on a graph to represent data and determine correlation. line: residual = y - y ^ BPS - 5th Ed. Description of a relationship between two data sets. ] After first adding a linear trend to this plot and then clicking “Get Summary” we get: Linear Trend: height = 85. Online scatter plot and scatter diagram maker with examples. Algebra, Functions, and Data Analysis Curriculum Guide MCPS 2015-16 i Introduction/General Comments This curriculum guide follows the eight standards outlined in the 2008 Virginia Math SOLs for Algebra, Functions, and Data Analysis and uses the 2009 edition of. Scatter Plots - Worksheet #1 0 5 10 15 20 1995 2000 2005 2010 2015 Number of Players Year 40+ Homeruns 30 35 40 45 50 55 60 65 70 75 1995 2000 2005 2010 2015 Number of Homeruns Year League Leader in Homeruns Correlation: _____ Equation of Trend Line: _____ How many players do you think will hit What do you think happened. Worksheet by Kuta Software LLC GSE Algebra 1 Unit 6 D15 Scatter plots and Trend lines ASSIGNMENT Name_____ ID: 1 Date_____ Period____ ©[ l2o0j1V6y wKnuKtQaV ESDoEfwtaw`aVrQeC ULwLLCw. Graph a scatter plot using the given data. Each Scatter plot image is a flat icon and all of them are vector icons. Problem solving with trend lines scatter plots and data homework 4. Topic serves as a complete lesson in one or simply a small sub-topic. As the correlation coefficient increases, the observations group closer together in a linear shape. by Amanda Boyle in Getting Started in the Forums on Oct 14, 2019 “Welcome to the Community Digest, #DataFam! Have you heard you can subscribe to have Viz of the Day from Tableau Public delivered straight to your inbox every day!?. an equation of the line in slope intercept form for this line. Describe the trend in the scatter plot above. Using the line of best t, which is closest to the number of minutes it would take to complete 9 laps? A. Notice from the scatter plot above, generally speaking, the friends who study more per week have higher GPAs, and thus, if we were to try to fit a line through the points (a statistical calculation that finds the "closest" line to the points), it would have a positive slope. Worksheet by Kuta Software LLC GSE Algebra 1 Unit 6 D14 Scatter plots and Trend lines ASSIGNMENT Name_____ ID: 1 Date_____ Period____ ©d `2D0s1j6r qKouItIam kSBoDfTtpwuaQrRe] VLBL\Cz. C296013-H November 21, 2018 Evaluation Briefs Using Graphs and Charts to Illustrate Quantitative Data No. Learning Line Graphs. Step 1Draw a number line. 24:03 Adv Lesson 7-1 Parallel lines cut by a transversal. Know that straight lines are widely used to model relationships between two quantitative variables. MUSIC The scatter plot shows the number of CDs (in millions) that were sold from 1999 to 2005. Look at the table shown below: x -10 -7 -4 1 4 5 y 3 5 12 13 17 19 a. You enter the data and choose the type of graph, we make the worksheet. Or the scatter plot may show no trend or correlation. Plot the data on scatter graph. Graphing a Scatter Plot with Given Data 1. Scatter Plots and Trend Lines 0 100 200 300 400 500 600 700 0 5 10 15 20 25 30 Moose Wolves Isle Royale Population What kind of correlation do you see in this scatter plot? _____ Let’s agree on where to draw a trend line… What is the equation of the trend line? _____ _____ Use the trend line to determine how many moose would remain if there. Connecting Scatter Plots and Correlation Coefficients Activity. d) Predict how many cases of chicken pox (in millions) there will be in the year 2010 5. The table and scatter plot below represent the profit, P, in thousands of dollars, that they made during the first 12 months. Scatter plots are used to show relations between variables to recognize trends. 4-7 Scatter Plots LESSON Two sets of data can be graphed as points in a scatter plot. In a scatterplot, a dot represents a single data point. A trend line is a straight line that comes closest to the points on a scatter plot. on’t worry if you haven’t used a scatterplot or trend line before, because we’ll discuss them in this lab. FAMILY The table below shows the predicted annual cost for. of Illinois), "Scatter plots are similar to line graphs in that they use horizontal and vertical axes to plot data points. the line and “b”represents the y‐intercept. There may be times when other types would be appropriate, but they are rare. On a scatter plot both sets of data values increase. Is there an explanatory variable and a response variable. The line is difficult to detect when the relationship is weak (e. About "Drawing trend lines worksheet" Drawing trend lines worksheet : Worksheet given in this section is much useful to the students who would like to practice problems scatter plots and trend lines. See back of book. 3 Scatter Plots and Lines of Best Fit How can you use data to predict an event? Work with a partner. b) Describe the trend c) Describe the correlation d) Describe the relationship. Q p bAylQlp HrriugZhytcsn Dr\eRsmedrEvkebdC. The title offers a short explanation of what is in your. 4-7 Scatter Plots LESSON Two sets of data can be graphed as points in a scatter plot. two titrations you did in this experiment. Students repeat this exercise again with a 2 nd student, creating a second scatter plot. com Line chart design made simple. Graph a scatter plot using the given data. Draw a trend line and write its equation. Scatter Plots and Trend Lines (continued) By drawing a. WRITING Explain why a line of best fi t is helpful when analyzing data. Select trend line options. Click the 'Close' button. • Next, click the box that says “Computer fit”. Oren plants a new vegetable garden each year for 14 years. Technology extensions are included for those with computer access. Describe the correlation illustrated by the scatter plot. You can use scatter plots to try to find correlations. , but without plotting the points. Excel xy-scatter plot without data lines, rather a trendline has been added. Make a scatter plot of the data pairs (years since 1980, population). Use the line of best fit to make a conjecture about the number of passengers on the boat during hour 8. Trend Chart Definition: Trend charts are also known as run charts, and are used to show trends in data over time. The main features of a climate graph are shown in Figure 2 (on the previous page). Identify and list all of the data points B. Textbook 5-7 Scatter Plots and Trend Lines pgs 333 - 340 **Make sure to take notes on the vocabulary: **scatter plot **positive correlation **negative correlation **no correlation **trend line **interpolation **extrapolation **line of best fit **correlation coefficient *causation. Usually it follows a plot(x, y) command that produces a graph. Name _____Hour_____ Date_____ Scatter Plots and Lines of Best Fit Worksheet 1. b) Plot the points on the graph c) Find the equation of the line of best fit by using the calculator. The scatter plot below shows their results with the line of best t. The above image of two subseries plots demonstrates the obvious seasonal trend in the right-hand plot: the data decreases to March, increases towards August and then decreases again. Draw a line that goes in the same direction as the data. Scatter Plots and Trend Lines 1. Scatter plots are similar to line graphs in that they use horizontal and vertical axes to plot data points. On a scatter plot there is no relationship. Fit a linear function for a scatter plot that suggests a linear association. The lines( ) function adds information to a graph. MUSIC The scatter plot shows the number of CDs (in millions) that If the trend continued, about how. Determine the y-intercept. A set of closely grouped data. … What I'd like to do is to add a trend line, … so that I can see what the trend would look like … if all the same factors were continue … into the future unchanged. Graphing Lines of Best Fit 4. As sleep increases, GPA increases 4. If you want to get even more practical, try a human scatter graph in the classroom or in the playground (using chalk axes). The line of best fit is The correlation coefficient, r, tells you Examples. Data points are plotted on a graph to represent data and determine correlation. Every 5 blocks, make a tic mark. It can be perceived from the scatter plot that the points are reasonably closely scattered about an underlying straight line (as opposed to a curve or nothing), so we say there is a strong linear relationship between the two variables. Worksheet captions and legend titles cannot be edited in web editing. Topic : Scatter Plots and Line of Best Fit - Worksheet 1 Do the following. Showing top 8 worksheets in the category - Trend Lines. d) Predict how many cases of chicken pox (in millions) there will be in the year 2010 5. Additionally, R can help find correlations between variables and create scatter plots. You can use scatter plots to try to find correlations. Multiple Choice: Reading and Interpreting a Scatter Plot? The scatter plot shows bottled water consumption in the U. Scatter plot worksheets showing all 8 printables. Design your chart ». However, a positive (or negative) correlation doesn't have to imply a trend. FAMIL The table below shows the predicted annual cost for. Scatter Plots Review Review how to create scatter plots with students using the Scatter Plots Review below. The data below shows the number of hours the student slept and their score on the exam. Music: The scatter plot shows the number of CDs (in millions) that were sold from 1999 to 2005. Graphing Lines with a Table • Select (or use pre-selected) values for x Scatter Plots • Scatter Plot – Used to see if there is a trend, pattern, or. For this example, we will let x = 0 represent 1965. Students identify and describe unusual features in scatter plots, such as clusters and outliers. How to show trend line in chart only in Excel? As we all know, trend line can obviously display the trend of the data in a nearly future, and sometimes, we just need to show the trend line in chart only for more conveniently view and study. Scatter Plots and Line of Best Fit Practice Worksheet by Algebra from Scatter Plot Worksheets, source:teacherspayteachers. Choose the scatter plot that best represents the described relationship. MUSIC The scatter plot shows the number of CDs (in millions) that were sold from 1999 to 2005. On the Insert tab, in the Charts group, click the Scatter symbol. Extend your trend line so that it crossed the y-axis. If the trend continued, about how many CDs were sold in 2006? ons 2. Use this page to generate a scatter diagram for a set of data: Enter the x and y data in the text box above. With several data points graphed, a visual distribution of the data can be seen. INTRODUCTION to writing a graph description For the IELTS writing test, you are required to complete two writing tasks. If the trend continued, about how. Scatter Plots and Lines of Best Fit Worksheet 1. Label the axis and plot the points given C. Identify and list all of the data points B. Student Worksheets Created by Matthew M. a line plot and then determine where these values fall on the scatter plot. Free Graph Worksheets - create your own customizable graph worksheets. Graph data in a scatter plot and determine a trend. Such a line may pass through some of the points, none of the points, or all of the points on the. The scatter plot below shows their results with the line of best t. Scatter Plots A scatter plot is a graph with points plotted to show a relationship between two sets of data. State whether each of these lines of best fit is a good model for the data. geom_bar() makes the height of the bar proportional to the number of cases in each group (or if the weight aesthetic is supplied, the sum of the weights). Correlation) 3. 3 has two lines for each stem digit, split to allow 5 leaf digits per line (0-4 and 5-9). Worksheet by Kuta Software LLC GSE Algebra 1 Unit 6 D15 Scatter plots and Trend lines ASSIGNMENT Name_____ ID: 1 Date_____ Period____ ©[ l2o0j1V6y wKnuKtQaV ESDoEfwtaw`aVrQeC ULwLLCw. Lines should show what should be expected, not connect the data points. Circle the answer. The table shows the percent of people ages 18–24 who reported they voted in the presidential elections. Megan and Bryce opened a new store called the Donut Pit. Scatter Plot Worksheet Problems & Solutions from Scatter Plot Worksheet, source: pinterest. Graphing Line Graphs and Scatter Plots from Scatter Plot Worksheet, source: labwrite. From the pattern or trend, you can describe a relationship, if one exists. Use her data to make a scatter plot. MUSIC The scatter plot shows the number of CDs (in millions) that were sold from 1999 to 2005. Write your equation in y = mx + b. Scatter plots & line of best fit ­ A. Showing top 8 worksheets in the category - Trend Lines. form a straight line Linear Non-Linear What type of relationship does the following represent: A group of points that form a Qcurved line L. Click the 'Close' button. The chart area on a 3-D chart contains the chart title and the legend; it doesn’t include the plot area (the area within the chart area where the data is plotted). Use the line plotthe actual outcomes of the spins approach their theoretical to calculate the median, mode, and range for the data. Extend your trend line so that it crossed the y-axis. Community Digest - October 14th, 2019. 6c trend line equations step-by-step lesson- where the previous standard had us brusque empty-handed. Unit 5: Scatter Plots & Trend Lines (4 weeks) UNIT OVERVIEW Students will begin the unit by exploring measures of central tendency and spread and displays of one-variable data including, dot plots, histograms, and box-and-whisker plots. On the same plot, plot a line based on the results of the regression analysis, i. If the relationship is from a linear model, or a model that is nearly linear, the professor can draw conclusions using his knowledge. Free and no registration required. First, they use the table shown to model the relation with a scatter plot and trend line and to predict the value of a variable when given the other variable. How do you determine the equation of a trend line? What is the equation of this trend line? Show your work. Graphs and Interpreting Data Scientific Graphs: Most scientific graphs are made as line graphs. These lines can be used to make predictions. Describe the relationship between the two data sets. MUSIC The scatter plot shows the number of CDs (in millions) that were sold from 1999 to 2005. Charts are a great tool for communicating information visually. When a scatter plot is used to look at a predictive or correlational relationship between variables, it is common to add a trend line to the plot showing the mathematically best fit to the data. The graph shows the results of this survey. LINEAR REGRESSION WORKSHEET #1 Name_____ Date_____ Period_____ 1. Scatter Plots and Trend Lines 02/05/18. It can be perceived from the scatter plot that the points are reasonably closely scattered about an underlying straight line (as opposed to a curve or nothing), so we say there is a strong linear relationship between the two variables. e) Describe the trend. Column and Line Histogram charts are probably the most common forms of distribution charts. Graphs and Interpreting Data Scientific Graphs: Most scientific graphs are made as line graphs. For scatter plots that suggest a linear association, informally fit a straight line, and informally assess the model fit by judging the closeness of the data points to the line. If the trend continued, about how. Scatter Plot Lesson Plans & Worksheets | Lesson Planet www. abe creates a scatter plot showing students ages on the x-axis and their heights on the y-axis. Worksheet Level 3: Goals: Create a scatterplot and line of best fit using technology. Graph a scatter plot using the given data. However, we did not make any line graphs of our own. how to construct and interpret scatter plots for bivariate measurement data to investigate patterns of association between two quantities. Make a line plot of the data. Students will write equations for the Line of Best Fit and make predictions in this 21 question Scatter Plots Practice Worksheet. Scatter Plots And Trend Lines. As the correlation coefficient increases, the observations group closer together in a linear shape. Scatter Plots – Worksheet #2 Step #4: Write an equation for your trend line. Graphing Line Graphs and Scatter Plots from Scatter Plot Worksheet, source: labwrite. Year 1988 1992 199 6 2000 2004 % of 18-24 year olds 36 43 32 32 42. When we plot these points on an XY graph, we can see if a pattern forms. Draw a trend line to find the total number of calories in a food item containing 15 grams of fat. 5 Worksheet 11/8 3. The best source for free line graph worksheets. Make a scatter plot for this data set using gallons as the independent variable. Determine the y-intercept. I can draw the line of best fit (trend line) for the data. Its graph looks like this:. With several data points graphed, a visual distribution of the data can be seen. A common question new users ask is "How can I plot an equation?" I think people expect that charts have a magical ability to accept an equation and spit out a graph of X vs. Calculate the mean, median, mode and range. Scatter plot, Correlation, and Line of Best Fit Exam : Interpret Linear Models ANSWER KEY Mrs Math 1. # This is done with the command scatter. Unit 5: Scatter Plots & Trend Lines (4 weeks) UNIT OVERVIEW Students will begin the unit by exploring measures of central tendency and spread and displays of one-variable data including, dot plots, histograms, and box-and-whisker plots. on O Negative Correlation No Corre ation 20 5 10 15 20 25 Years of Experience 30 35 Height -0. Construct a scatter plot of. The scatter plot shows a relationship between a man's height and the length of his femur (thigh bone). Trend Line Make a scatter plot to represent the data. For scatter plots that suggest a linear association, informally fit a straight line, and informally assess the model fit by judging the closeness of the data points to the line. The heights are given in inches. Change the Background of the points to black Increase the size of the. A Statistics Worksheet Can Help Organize Data. A scatterplot can also be called a scattergram or a scatter diagram. I will be posting 3 posts on Trend Analysis/Forecasting using Excel and a forth post on some Hidden Worksheet Properties which I stumbled onto last week !. A worksheet can be ready for any subject. , and it will announce “Scatter Plot, one of six, dot scatter plot selected,” which is what you want. Draw the line of best fit for the data. Worksheet by Kuta Software LLC Find the slope-intercept form of the equation of the line that best fits the data. What is the approximate slope of the line of best fit? a. b) Plot the points on the graph c) Find the equation of the line of best fit by using the calculator. Interpreting Graphs – shows a pie chart with grades, a scatter plot, and a few line graphs with questions to answer about each. Consider the following scatter plots:. Worksheet captions and legend titles cannot be edited in web editing. 1: Scatter Plots & Trend Lines Essential Question: How can you describe the relationship between two variables and use it to make predictions?. If you're behind a web filter, please make sure that the domains *. Describe the correlation. Make the graph look good, include units and labels for each axis, and a title for you graph. This is few enough data points that a column chart is meaningful. Is there an explanatory variable and a response variable. Scatter plots can show trends in the data. Scatter Plots Day 3 Line of Best Fit. Draw a line of fit for the scatter plot, and write the slope- intercept form of an equation for the line of fit. Practice 6-7 Scatter Plots and Equations of Lines Name Class Date Decide whether the data in each scatter plot follow a linear pattern. If a scatter plot has a line of best fit that. Interpreting the Slope of a Trend Line Chris Wild, University of Auckland This is a scatter plot of heights versus ages for about 460 school students.