A Fitted Regression for an Exam in Prof

question 56

Multiple Choice

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.

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