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A researcher is trying to predict test scores from student’s level of stress. What is the...

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Statistics

A researcher is trying to predict test scores from student’slevel of stress. What is the standardized regression equation forthe following data taken from 10 students? The average level ofstress for students is 9.50 with a standard deviation of 2.76. Theaverage test score for students is 12.50 with a standard deviationof 5.13. The correlation stress and test scores is 0.88.

a) ZY’ = 0.54 (ZX) b) ZY’ = 1.32 (ZX) c) ZY’ = .88 (ZX) d) ZY’ =1.86 (ZX)

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For a given dependent variable Y and an independent variable Xthe simple linear regression equation iswhere b0 and b1 are the regression coefficientsWe are interested in standardizing the regression equation ifboth the variables are measured in different units In such a casewe standardize    See Answer
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