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(4) Suppose the R-square of the original model is 75%. The student ran two more models....

(4) Suppose the R-square of the original model is 75%. The student ran two more models. The first model is to add a fourth independent variable to the original model: online review and the R-square is 85%. The second model is to remove the number of competing movies from the original model and the R-square is 70%. Please comment which variable have larger effect on box office revenue: online review or the number of competing movies, and explain why.

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