Select the best answer, then click the \'Submit Answer\' button or press on your

Question

Select the best answer, then click the 'Submit Answer' button or press on your keyboard. You will be allowed to answer (and must answer) any skipped questions before the test is scored. Data collected from a sample of 8 graduate students relating study time (x in hours per week) and leisure time (y hours per week) yielded the results shown here. SS_xy = -49.75 SS_xx = 1843.87 n = 8 SS_yy = 7.5 sigma X = 475 sigma Y = 60 Which one of the following represents the equation of the regression line relating y to x? y-hat = -.027x + 9.1 y-hat = -.037x + 5.9 y-hat = -.73x + 50.8 y-hat = -.73x - 35.8 Of 30 total questions, you have answered 21 and skipped 8 questions.

Explanation / Answer

answer (A)

Y-hat = -0.027X+9.1

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