(Solution) - You are required to calculate the correlation between the daily -(2025 Original AI-Free Solution)

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Academic Level: Undergrad. (yrs 3-4)

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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.