(Answered) Qusetion to test whether extracurricular activity is a good

Management Studies

Qusetion: To test whether extracurricular activity is a good predictor of college success, a college administrator recorded whether students participated in extracurricular activities during high school and their subsequent college freshman GPA.

(a) Compute a point-biserial correlation coefficient.

(b) Using a two-tailed test at a .05 level of significance, state the decision to retain or reject the null hypothesis. Hint: You must first convert r to a t statistics.

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