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  3. problem 7 a study of 427 college students was conducted...

Question: problem 7 a study of 427 college students was conducted...

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Problem 7 A study of 427 college students was conducted to test whether high school GPA is a predictor of first-year college GPA. Students with higher High colgpa-: Grade point average in college (Range 085-397 ) hsgpa High school GPA (Range 2.29-4.5) school GPA are expected to do better in college. Model 1: OLS, N 427 Dependent variable: colgpa coefficient 0.9 0.4 std. error const hsgpa 0.15 R-squared: 0.854880 a. (3%) Write the ea ation for the least-squares regression line: y b. (3%) The null hypothesis is: ß tpick one) Bo (3%) Calculate the t-ratio- d. (3%) The critical value for the t distribution ( α-0.05 and dr=N-2)s e. (3%) Can we reject the rull hypothesis? tpekere) B
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