12. Public School Teachers' Salaries The average salary for public school teachers for a specific year was reported to be $39,385. A random sample of 50 public school teachers in a particular state...

This is about Z test for a Mean. I need a little help to answer the question. Thank you in advance!! This would really mean a lot Sir/Maam!!! :))

Extracted text: 12. Public School Teachers' Salaries The average salary for public school teachers for a specific year was reported to be $39,385. A random sample of 50 public school teachers in a particular state had a mean of $41,680, and the population standard deviation is $5975. Is there sufficient evidence at the a = 0.05 level to conclude that the mean salary differs from $39,385? Source: New York Times Almanac.


Extracted text: State the hypotheses and identify the claim. b. Find the critical value(s). c. Compute the test value. d. Make the decision. a. Summarize the results. Use diagrams to show the critical region (or regions), and use the traditional method of hypothesis testing unless otherwise specified.