MAT 106 Module 3 - Assignment 2 - LASA 1 - Linear Regression

Mar 29th, 2015
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Assignment 2: LASA 1: Linear Regression In this assignment, you will use a spreadsheet to examine pairs of variables, using the method of linear regression, to determine if there is any correlation between the variables. Afterwards, you will postulate whether this correlation reveals a causal relationship (and why). Click here to open the Excel spreadsheet containing the data for this assignment. This spreadsheet contains the data from a study that attempted to see if there is a correlation between the hours that students studied and the grade that they earned on a test. The correlation test you are about to run will help you to determine if there is, in fact, a correlation between study time and test score. If you find a strong correlation, then you will postulate whether you feel this indicates a causal relationship. Below are instructions on how to perform this correlation test in Microsoft Excel. In the Excel spreadsheet, perform the following operations: Save the spreadsheet to yo

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7432.51651.71312691848911.5121417212025222419262718.525.519.6Exam score6360485180655383807365828567697274757891.594979389908895849490.5Exam score vs. Hours of Study120100Exam ScoreHours of Study80y = 1.5608x + 556040200051015Hours of Study20ours of Studyy = 1.5608x + 55.767R = 0.785202530

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