Please answer the following question using the given output:

Background:

The admission committee of an MBA program at a Canadian university is considering using a psychometric test of self-esteem (SE) in addition to the IQ test they administer to MBA applicants to help in their selection process. They want to assess the influence of self-esteem on candidate bachelor's GPA above and beyond IQ and sex. There is a random sample of 77 GPA records of MBA applicants with the corresponding IQ, SE. You are given the correlation matrix and Correlogram for the data.

Question:

Comment on the correlation and linear relationship between GPA and each of the continuous explanatory variables.

Output:

Correlation Matrix:

	GPA	IQ
IQ	0.66429327 (
se	0.57066509 (	0.49224443 (

Correlogram: