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What is the appropriate sampling distribution to use

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Reference no: EM132077348

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.

a. What is the appropriate sampling distribution to use?

b. State the null and alternative hypotheses.

c. State the decision rule at a significance level of 5% show all calculations

Reference no: EM132077348

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