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,what is the predicted average value of average grade when university entrance exam score = 20?

A) 2.80
B) 2.61
C) 2.66
D) 3.12