ks People Window Help -Assignmen\"Xy @ Do Homewexta Find Critica × G chi square,
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ks People Window Help -Assignmen"Xy @ Do Homewexta Find Critica × G chi square, xPatrick,Jr C ià Secure https://www.mathd.com/Student/PlayerHomework.aspx?homewor-. I i gnmen: × ot : 7 PM Elementary Statistics-SUMMER 2017 Homework: CHAPTER9 Save Score: 0 of 14 pts 9 of 14 (9 complete) HW Score: 28.8%, 28.8 of ot 5 PM 9.2.19-T Question Help * Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. The number of hours 6 students spent for a test and their scores on that test are shown below ot a PM 9 20-1210 2 (a) x-4 hours (c) x 12 hours d) x-2.5 hours (b) x “ 4.5 hours est score. Y Find the regression equation. 38 | 44 53 49 62 72 ot 4 AM 20 Round the slope to three cecimal places as needed. Round the y-intercept to two decimal places as needed.) Jun ot 9 PM 20 Enter your answer in the edit fields and then click Check Answer ot 5 AM 201Explanation / Answer
coefficient of determination = correlation coefficient^2
= 0.256^2
= 0.066
it is used to analyze how change in one variable effect other variable
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