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(Solved): A school is trying to determine if physical activity affects academic performance. The plot below s ...
A school is trying to determine if physical activity affects academic performance. The plot below shows the relationship between the amount of exercise a student gets per week, and the student's score on a math final exam. The linear regression output is given below. Amount of exercise per week (in minutes) \[ R^{2}= \] The score on the math final exam explains how much of the variance in amount of exercise per week? variance
Expert Answer
A regression equation is used to explain a dependent variable (y-axis variable) using an independent variable (x-axis variable) The regression model being estimated is where y=of a student. This is the dependent variable x=amount of exercise the stud