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    Five Step Hypothesis Testing

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    A salesman makes 40 calls per week. People complained because they said that estimate was to low. In a random sample of 28 people, the standard deviation was computed to be 2.1 calls at the the significant level .05. Can one conclude that more than 40 calls were made on average?

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    Solution Preview

    Step 1: State the Null Hypothesis (H0) and the Alternate Hypothesis (H1)
    H0: M less than or equal to 40
    H1: M> 40

    Step 2: Select a Level of Significance
    This is a one-tailed test. The significant level is .05.

    Step ...

    Solution Summary

    This solution provides an answer to a question using five step hypothesis testing.