A study was conducted to determine the best predictors of college GPA (Grade Poi

Question

A study was conducted to determine the best predictors of college GPA (Grade Point Average). Two predictor variables were select: High School GPA and ACT score. Here is part of the output of the regression analysis: Regression Statistics Multiple R 0.871006879 R Square 0.758652983 Adjusted R Square 0.730259217 Standard Error 0.172171694 Observations 20 What is the percentage of variation in college GPA that can be explained by High School GPA and ACT score? (approximately) Question 28 options: A) 87.1% B) 17.2% C) 73.0% D) 77%

Explanation / Answer

Adjusted R Square 0.730259217 thus this implies that 73% of variation in college GPA that can be explained by High School GPA and ACT score . answer is C

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