Question

A teacher claimed that the average salary for teachers in her state is lower than the other states.
She created a survey and found that in her state 81 teachers were making an average salary
$42,000 per year with a sample standard deviation of 2,500. Using that sample, test the claim that
teachers in her state are making less than the national average of $45,000. Use a 0.01 level.

Answer 1

Conclusion:- We conclude that teachers in her state are making salary less than the national average of $45,000.