A fitted regression for an exam in Prof.Hardtack's class showed Score = 20 + 7 Study,where Score is the student's exam score and Study is the student's study hours.The regression yielded R2 = 0.50 and SE = 8.Bob studied 9 hours.The quick 95 percent prediction interval for Bob's grade is approximately
A) 69 to 97
B) 75 to 91
C) 67 to 99
D) 76 to 90
Correct Answer:
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