Each year a nationally recognized publication conducts its "Survey of America's Best Graduate and Professional Schools." An academic advisor wants to predict the typical starting salary of a graduate at a top business school using GMAT score of the school as a predictor variable. A simple linear regression of SALARY versus GMAT using 25 data points shown below.
A) We can predict SALARY correctly 66% of the time using GMAT in a straight-line model.
B) 66% of the differences in SALARY are caused by differences in GMAT scores.
C) 66% of the sample variation in SALARY can be explained by using GMAT in a straight-line model.
D) We estimate SALARY to increase $.66 for every 1-point increase in GMAT.

Question

Each year a nationally recognized publication conducts its "Survey of America's Best Graduate and Professional Schools." An academic advisor wants to predict the typical starting salary of a graduate at a top business school using GMAT score of the school as a predictor variable. A simple linear regression of SALARY versus GMAT using 25 data points shown below. 
A) We can predict SALARY correctly 66% of the time using GMAT in a straight-line model. 
B) 66% of the differences in SALARY are caused by differences in GMAT scores. 
C) 66% of the sample variation in SALARY can be explained by using GMAT in a straight-line model. 
D) We estimate SALARY to increase $.66 for every 1-point increase in GMAT.

Quizplus · Accepted Answer

The Answer of Each year a nationally recognized publication conducts its "Survey of America's Best Graduate and Professional Schools." An academic advisor wants to predict the typical starting salary of a graduate at a top business school using GMAT score of the school as a predictor variable. A simple linear regression of SALARY versus GMAT using 25 data points shown below. 
A) We can predict SALARY correctly 66% of the time using GMAT in a straight-line model. 
B) 66% of the differences in SALARY are caused by differences in GMAT scores. 
C) 66% of the sample variation in SALARY can be explained by using GMAT in a straight-line model. 
D) We estimate SALARY to increase $.66 for every 1-point increase in GMAT.

Each Year a Nationally Recognized Publication Conducts Its "Survey of America's