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    Comparing Two Sets of Results

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    When investigating times required for drive-through service, the following results (in seconds) were obtained. Find the range, variance, and standard deviation for each of the two samples, then compare the two sets of results.

    Restaurant A: 120 123 153 128 124 118 154 110

    Restaurant B: 115 126 147 156 118 110 145 137

    (Show work).

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    https://brainmass.com/business/business-math/comparing-sets-results-450822

    Solution Preview

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    When investigating times required for drive-through service, the following results (in seconds) were obtained. Find the range, variance, and standard deviation for each of the two samples, then compare the two sets of results. 

    Restaurant ...

    Solution Summary

    After finding the range, variance, and standard deviation for each of the two samples, the solution then compares the two sets of results.

    $2.19