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    Mean and Standard Deviation of Allowance in Tennessee

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    A nine year old gets 3.65 for allowance. Sample of 45 9 year olds in Tennessee revealed mean allowance 3.69 with a standard dev. of .24 . At .05 significance is there a difference mean allowance in Alabama for 9 year olds.

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    https://brainmass.com/statistics/hypothesis-testing/mean-standard-deviation-allowance-tennessee-166568

    Solution Preview

    M = 3.65
    N = 9
    Sample mean is X = 3.69
    SD = .24

    Ho: M = 3.65
    Ha: M ≠ 3.65
    This is a two-tailed t test with significance level ...

    Solution Summary

    The mean and standard deviation of allowance in Tennessee are discussed.

    $2.19

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