Use the following to answer the question(s) below.
A large pharmaceutical company selected a random sample of new hires and obtained their job performance ratings based on their first six months with the company. These data were used to build a multiple regression model to predict the job performance of new hires based on age, GPA and gender (female = 1 and male = 0). The results of the analysis are shown below.
-How much of the variability in Job Performance is explained by the regression model?
A) 30.33 %
B) 77.7 %
C) 5.56 %
D) 60.76 %
E) Cannot be determined.

Question

Use the following to answer the question(s) below.
A large pharmaceutical company selected a random sample of new hires and obtained their job performance ratings based on their first six months with the company. These data were used to build a multiple regression model to predict the job performance of new hires based on age, GPA and gender (female = 1 and male = 0). The results of the analysis are shown below. 
-How much of the variability in Job Performance is explained by the regression model?
A) 30.33 % 
B) 77.7 % 
C) 5.56 % 
D) 60.76 % 
E) Cannot be determined.

Quizplus · Accepted Answer

The R-squared value of the regression model is 0.777, which means 77.7% of the variability in Job Performance is explained by the regression model.

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