8/25/2023 0 Comments Describing scatter plots![]() Please check out the preview to see if these colorful and interactive digital activities are right for your Google Classroom. This DIGITAL and PAPERLESS resource is designed for 8th Grade Math but can also be used as enrichment for advanced 7th graders or as remediation for 9th graders who may need some extra practice. ★ Activity Slide 4: Describe real word scatter plotsĨ.5D ✩ Trend Lines ✩ Google Slides ActivitiesĨ.11B ✩ Mean Absolute Deviation ✩ Google Slides ActivitiesĮach practice problem is aligned with the following TEKS standards:Ĩ.5(C) contrast bivariate sets of data that suggest a linear relationship with bivariate sets of data that do not suggest a linear relationship from a graphical representationĨ.11(A) construct a scatterplot and describe the observed data to address questions of association such as linear, non-linear, and no association between bivariate data ★ Activity Slide 3: Sort scatter plots by deciding if they have a positive or negative ★ Activity Slide 2: Sort scatter plots by deciding if they are linear or non-linear ★ Activity Slide 1: Plot and describe a scatter plot Try it FREE ➯ 8.7B ✩ FREE ✩ Surface Area✩ Google Slides Activities Try it FREE ➯ 8.5A ✩ FREE ✩ Proportional TABLES ✩ Google Slides Activities A self-checking Google Form is included so you can assess student understanding. Your students will gain confidence with TEKS 8.5C and 8.11C, constructing and describing linear and non-linear scatter plots, as they enjoy dragging and matching as well as answering free-response questions. Therefore, to determine whether a linear relationship exists between the two continuous variables, which is one of the assumptions that must be met when running a linear regression, the researchers generated a simple scatterplot by plotting the dependent variable, cholesterol, against the independent variable, time_tv.Looking for an engaging remote learning resource? Make online learning fun with these 4 Google Slides activities + Google Form quiz! They believed that there would be a positive relationship: the more time people spent watching TV, the greater their cholesterol concentration.ĭaily time spent watching TV was recorded in the variable time_tv and cholesterol concentration recorded in the variable cholesterol. ![]() This guide will use the example from the linear regression guide, where researchers wanted to determine if there was a linear relationship between cholesterol concentration (a type of fat in the blood) and the time spent watching TV in otherwise healthy 45 to 65 year old men (an at-risk category of people for heart disease). If you are unsure which version of SPSS Statistics you are using, see our guide: Identifying your version of SPSS Statistics. ![]() Next, we show how to use the Chart Builder in SPSS Statistics to create a simple scatterplot based on whether you have SPSS Statistics versions 27 or 28 (or the subscription version of SPSS Statistics), versions 25 or 26, or version 24 or an earlier version of SPSS Statistics. First, we introduce the example we have used in this guide. The purpose of this guide is to show you how to create a simple scatterplot using SPSS Statistics. A simple scatterplot could also be used to determine if there is a linear relationship between the distance women can run in 30 minutes and their VO 2max, which is a measure of fitness (i.e., your dependent variable would be "distance run" and your independent variable would be "VO 2max"). Note: If you are analysing your data using an ANCOVA (analysis of covariance) or two-way ANOVA, for example, you will need to consider a grouped scatterplot instead (N.B., if you need help creating a grouped scatterplot using SPSS Statistics, we show you how in our enhanced content).įor example, a simple scatterplot could be used to determine if there is a linear relationship between lawyers' salaries and the number of years they have practiced law (i.e., your dependent variable would be "salary" and your independent variable would be "years practicing law"). For example, determining whether a relationship is linear (or not) is an important assumption if you are analysing your data using Pearson's product-moment correlation, Spearman's rank-order correlation, simple linear regression, multiple regression, amongst other statistical tests. The aim of drawing a scatter graph is to determine if there is a link or relationship between the two variables that have been plotted. A Simple Scatterplot using SPSS Statistics IntroductionĪ simple scatterplot can be used to (a) determine whether a relationship is linear, (b) detect outliers and (c) graphically present a relationship between two continuous variables. Choose 1 answer: Scores were highest for cakes that had between 15 15 and 25 25 grams of sugar per 100 100 grams of cake.
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