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The guide walks through creating a Lists & Spreadsheet page, entering two data columns, adding a Data & Statistics page, selecting variables for horizontal and vertical axes, and fitting a quadratic regression when the scatterplot shows a parabolic pattern. It then shows how to create a calculator expression (stat.regEqn) to evaluate the model at a given input and interpret the resulting prediction.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/graphing-scatterplots-to-write-equations-and-make-predictions-ti-nspire-linear-regression-tutorial/478674/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/graphing-scatterplots-to-write-equations-and-make-predictions-ti-nspire-linear-regression-tutorial/478674.png","ImageObject",300,407,{"name":92,"@type":93},"Theodore","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-31","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":39},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"How do you create a scatterplot on the TI-Nspire™ CX?","Question",{"text":112,"@type":113},"Create a Lists & Spreadsheet page, enter the data in columns A and B, then add a Data & Statistics page. Select the column variables for the horizontal and vertical axes to display the scatterplot that fits the data.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"When should you use a quadratic regression instead of a different regression type?",{"text":117,"@type":113},"Use quadratic regression when the scatterplot pattern is parabolic, indicating a curved relationship. The tutorial specifically notes choosing quadratic regression for a parabolic scatterplot.",{"name":119,"@type":110,"acceptedAnswer":120},"How do you make a prediction using the regression equation?",{"text":121,"@type":113},"Add a Calculator, use stat.regEqn, and enter the desired input value inside the parentheses. Evaluate the expression to obtain the predicted output, then interpret it in the context of the problem.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},478674,1793101699,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":39,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":39},7971461740886,"https://ap-avatar.wpscdn.com/davatar_3d24733baf745e90a7e4bdd5f77d97b2","Tutorial Overview  \nIn this tutorial, you will learn how to create a scatterplot and regression equation with the TI-Nspire™ CX. Follow the steps below to solve problems that include writing an equation for a given set of data and making a prediction as shown in the example below from the 2023 STAAR Algebra 1 Released Test (item 13) .  \n| Image Copyright © 2023. Texas Education Agency. |  |\n| --- | --- |\n| \u003Cbr>Graphing Scatterplots to Write Equations and Make Predictions |  |\n| Step 1 : Create a Lists & Spreadsheet application page.\u003Cbr>Press c, select 1 New Document, and 4 Add Lists & Spreadsheet. | |\n|  |  |\n\n\n| Graphing Scatterplots to Write Equations and Make Predictions |  |  |\n| --- | --- | --- |\n| Step 2: Enter the given data.\u003Cbr>Label column A by pressing £ on the Touchpad and typing 􀝔 . Move to the cell at the top of column B, type 􀝕 , and press · .\u003Cbr>Move the cursor to cell A1 and enter the data in column A. Next,\u003Cbr>move the cursor to cell B1 and enter the data in column B.\u003Cbr>Note: Pressing · or ¤ will move the cursor to the next cell. |  | |\n| Step 3: Add a Data & Statistics application page.\u003Cbr>Press /~ and select 5 Add Data & Statistics. |  | |\n| Step 4: Create scatterplot.\u003Cbr>Move the cursor to the horizontal axis label where it says, “Click to add variable”. The message “Click or Enter to change variable”will appear. Press x or · to display the variables. Select the 􀝔 variable. |  |  |\n| | Move the cursor to vertical axis label where it says, “Click to add variable”. The message “Click or Enter to change variable”will appear again. Press x or · to display the variables. Select the 􀝕 variable. |  |\n|  | \u003Cbr>The scatterplot will be shown in a window that fits all the data values.\u003Cbr>|  |\n\n\n| Graphing Scatterplots to Write Equations and Make Predictions |  |  |\n| --- | --- | --- |\n| Step 5: Create Regression Equation. |  |  |\n| We will create a quadratic regression equation since the scatterplot has a parabolic pattern.\u003Cbr>Press b , 4 Analyze, 6 Regression, and 4 Show Quadratic. The regression equation is displayed on the scatterplot with the coefficient of determination, 􀝎 2 . |  |  |\n| | | |\n| Step 6: Make Prediction.\u003Cbr>Press /~ and select 1 Add Calculator.\u003Cbr>Press h and select stat. regeqn.\u003Cbr>Enter 65 inside the parenthesis and press · to evaluate the regression equation at a speed of\u003Cbr>65 miles per hour. |  |  |\n| A car traveling at a speed of 65 miles per hour will have approximately 27.9 miles per gallon. The answer is A.\u003Cbr>|  |  |","cbCaijhvE24Kzdae","https://ap.wps.com/l/cbCaijhvE24Kzdae","pdf",817203,"English","# Step 1: Create Lists & Spreadsheet\n# Step 2: Enter the given data\n# Step 3: Add Data & Statistics\n# Step 4: Create scatterplot\n# Step 5: Create Regression Equation\n# Step 6: Make Prediction","[{\"question\":\"How do you create a scatterplot on the TI-Nspire™ CX?\",\"answer\":\"Create a Lists \\u0026 Spreadsheet page, enter the data in columns A and B, then add a Data \\u0026 Statistics page. Select the column variables for the horizontal and vertical axes to display the scatterplot that fits the data.\"},{\"question\":\"When should you use a quadratic regression instead of a different regression type?\",\"answer\":\"Use quadratic regression when the scatterplot pattern is parabolic, indicating a curved relationship. The tutorial specifically notes choosing quadratic regression for a parabolic scatterplot.\"},{\"question\":\"How do you make a prediction using the regression equation?\",\"answer\":\"Add a Calculator, use stat.regEqn, and enter the desired input value inside the parentheses. Evaluate the expression to obtain the predicted output, then interpret it in the context of the problem.\"}]","Graphing Scatterplots to Write Equations and Make Predictions - TI-Nspire Linear Regression Tutorial | PDF",1790791975]