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Hypothesis testing for mean

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I need to state the null and alternate hypotheses for the following:
The coach of a soccer team claims that the mean height of the players on his team is less than 70 inches (which is the mean height of American males).

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Solution Summary

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.

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Please see the attachments.
Formulating Hypotheses
I need to state the null and alternate hypotheses for the following:
The ...

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