Answer as requested.Suppose that there is perfect positive correlation between the number of hours studied for a test and score on the test. Which of the following statements must be true? More than one statement may be true.A: If we know the number of hours a given student studied, we will be able to perfectly predict their test score.B: If Anne studied twice as long as Manuel, she will score twice as much.C: If Lu Yi studied ten hours more than Andrea, Lu Yi will score ten points more than Andrea. D: All data points lie perfectly on a horizontal line.
A. All statements are true
B. A
C. B and C
D. A and D
Answer: B
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