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Z test for mean

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Please help with the following statistics problem.

A sample of 36 observations is selected from a normal population. The sample mean is 21, and the population standard deviation is 5. Conduct the following test of hypothesis using the .05 significance level.

H0: µ (less than or equal to) 10
H1: µ >10

a. State the decision rule.
b. Compute the value of the test statistic.
c. What is your decision regarding the null hypothesis?

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Solution Summary

This post helps with hypothesis testing. Step by step method for testing the hypothesis under 5 step approach is discussed here. Excel template for each problem is also included. This template can be used to obtain the answers of similar problems. The problems are given both in a word doc and an Excel spreadsheet.

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Please see the attachment for answers.

Hypothesis question
Test hypothesis problem- need assistance
A sample of 36 observations is selected from a normal population. The sample mean is 21, and the population standard deviation is 5. Conduct the following test of ...

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