How large srs of hotel managers need-adult male population

Reference no: EM13128286

You are carrying out a test of significance based on the test scores on a personality test of femininity scores of 148 male general manages of three-star and four-star hotels. You now realize that a confidence interval for the mean score of male hotel managers would be more informative than a test. You would be satisfied to estimate the mean to be within + and - 0.2 with 99% confidence level. The standard deviation of the scores is probably close to the value 0.78 for the adult male population. How large an SRS of hotel managers do you need?

Reference no: EM13128286

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