The paired data (Table 5.1) consists of the test scores and hours spend in gymna- sium...
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The paired data (Table 5.1) consists of the test scores and hours spend in gymna- sium weekly for 5 randomly selected students. The equation of the regression line is ý = 70.1546-0.7230x. (i) (ii) Hours in gym weekly, x 0.5 2 5 9 15 Test score, y 55 71 80 72 50 Table 5.1: Paired data Find the error sum of squares. What does the slope of the regression line represent? The paired data (Table 5.1) consists of the test scores and hours spend in gymna- sium weekly for 5 randomly selected students. The equation of the regression line is ý = 70.1546-0.7230x. (i) (ii) Hours in gym weekly, x 0.5 2 5 9 15 Test score, y 55 71 80 72 50 Table 5.1: Paired data Find the error sum of squares. What does the slope of the regression line represent?
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