Explore BrainMass

Explore BrainMass

    Tip Average

    Not what you're looking for? Search our solutions OR ask your own Custom question.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    At the time Beth was hired as a server at a Restaurant, she was told she could average $20 a day in tips. Over the first 35 days she was employed at the restaurant, the mean daily amount of her tips was $24.85 with a standard deviation of $3.24. At the .01 significance level, can Beth conclude that she is earning an average of more than $20 in tip?

    © BrainMass Inc. brainmass.com March 4, 2021, 5:43 pm ad1c9bdddf
    https://brainmass.com/statistics/descriptive-statistics/tip-average-8014

    Solution Preview

    T Value = (Test Value - Mean)/(Standard Deviation)
    <br> = (20 - 24.85)/(3.24) = -1.4969
    <br>
    <br>From the t-table, the T critical ...

    Solution Summary

    At the time Beth was hired as a server at a Restaurant, she was told she could average $20 a day in tips. Over the first 35 days she was employed at the restaurant, the mean daily amount of her tips was $24.85 with a standard deviation of $3.24. At the .01 significance level, can Beth conclude that she is earning an average of more than $20 in tip?

    $2.49

    ADVERTISEMENT