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National association of colleges and employers

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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:

A) increase.

B) stay the same.

C) be zero.

D) decrease.

Reference no: EM132158995

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