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Elementor #26

Objective 1: Compute and Interpret the Coefficient of Determination

For data set A in the table​ below, what is the standard deviation of​ y? (b) For data set A in the table​ below, what is the variance of​ y? x,y,x,y,x,y 3.6,8.9,3.1,8.9,2.8,8.9 8.3,15.0,9.4,15.0,8.1,15.0 0.5,4.8,1.2,4.8,3.0,4.8 1.4,6.0,1.0,6.0,8.3,6.0 8.2,14.9,9.0,14.9,8.2,14.9 5.9,11.9,5.0,11.9,1.4,11.9 4.3,9.8,3.4,9.8,1.0,9.8 8.3,15.0,7.4,15.0,7.9,15.0 0.3,4.7,0.1,4.7,5.9,4.7 6.8,13.0,7.5,13.0,5.0,13.0 a) The standard deviation of y is 4.18 ​(Type an integer or decimal …

Objective 1: Compute and Interpret the Coefficient of Determination

Fill in the blanks. Total deviation=​_______ deviation+​_______ deviation Choose the correct answer below. A. Total deviation=positively associated deviation+negatively associated deviation B. Total deviation=predicted deviation+observed deviation C. Total deviation=unexplained deviation+explained deviation Your answer is correct. D. Total deviation=response deviation+explanatory deviation

4.3 Interactive Assignment

4.3 Diagnostics on the Least-Squares Regression Line The accompanying data represent the monthly rate of return of a certain​ company’s common stock for the past few years. Complete parts​ (a) and​ (b) below. 0.26 0.26 0.04 0.06 0.06 − 0.04 − 0.04 0.220.46 0.06 − 0.15 0.19 0.05 0.18 0.09 0.02− 0.05 − …

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