Instruction 12.7 It Is Believed That Average Grade (Based on a Four-Point

Multiple Choice

Instruction 12.7
It is believed that average grade (based on a four-point scale) should have a positive linear relationship with university entrance exam scores. Given below is the Microsoft Excel output from regressing average grade on university entrance exam scores using a data set of eight randomly chosen students from a large university.

-Referring to Instruction 12.7,the interpretation of the coefficient of determination in this regression is

A) average grade accounts for 57.74% of the variability of university entrance exam scores.
B) university entrance exam scores account for 57.74% of the total fluctuation in average grade.
C) 57.74% of the total variation of university entrance exam scores can be explained by average grade.
D) None of the above.