The following 2 questions are based on the following regression equation: Grade

Question

The following 2 questions are based on the following regression equation: Grade 874+3.3computer_science -5.7 sociology-7.1* journalism. Question 13 of 34 The confidence interval for the mean final grade for computer science majors is (89.6,91.81 t Amy is a computer science major, which one of the following intervals is most likely to be the 95 % predictive interval for her final grade? (Hint: you don't need to calculate the predictive interval to answer this question) A(89.6, 91.8] 0 B(78.3, 87.6] c. 184.5, 96.9] O D. 192.1, 95.4] Reset Selection

Explanation / Answer

Solution:- (D) 95% predictive interval for her final grade is (92.1, 95.4)

95% predictive interval for her final grade would be always greater than 95% confidence interval for her final grade.

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