Mathematics, 13.04.2021 01:10, boyle3758

A school had decided to hire a new vice principal. A recent issue of the NEA magazine stated that the average vice principal salary for a school of similar size is $60,000. At the request of the Board of Education, the principal conducts his own survey of vice principal's salaries. His survey of 25 schools revealed an average salary or $72,000 and a standard deviation of $9,000. Perform a hypothesis test at a 5% significance level to test the magazine's claim.

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A school had decided to hire a new vice principal. A recent issue of the NEA magazine stated that th...