You are required to calculate the correlation between the daily hours spent playing video computer games (X) and academic average (Y). The correlation was -0.834. The means and standard deviations necessary for prediction are as follows:

a. What is the equation for predicting academic average (Y) from video game hours (X) for this group of students?
b. What is the expected academic average for a student who plays video games for 2.3 hr daily?
For Information: Exercise 10 in Module 35.

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Academic Average (Y) Video Game Hours (x) M.= 1.850 s 1.352 (using/n - 1) M, 85.083 sr= 6.288 (using/n-1)