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    Hypothesis Testing of Mean: Actual & Ideal Weights

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    13.28) In a study, results were presented for a sample of 63 men who were asked to report their actual weight and their ideal weight. The mean difference between actual and ideal weight was 2.48 pounds, and the standard deviation of the differences was 13.77 pounds. Is there sufficient evidence to conclude that for the population of men represented by this sample the actual and ideal weights differ, on average? Justify your answer by showing all steps of a hypothesis test.

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    Solution Preview

    Please see the attachment.

    The null hypothesis tested is
    H0: There is no significant difference in the actual and ideal weights.
    The alternative hypothesis is
    H1: There is significant difference in the actual ...

    Solution Summary

    The solution provides step by step method for the calculation of testing of hypothesis. Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.