According to the National Association of Colleges and Employers, finance graduates make an average of () $52,402 a year. The standard deviation of...

According to the National Association of Colleges and Employers, finance graduates make an average of (µ) $52,402 a year. The standard deviation of annual salaries of finance graduates is (σ) $7,000. A random sample of 100 accounting graduates show that the sample mean salary is $54,390.

If we were to increase the sample size (n) from 100 to 144, the z score will:

Question 4 options:

A) 

increase.

B) 

decrease.

C) 

stay the same.

D) 

be zero.