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    Business Statistics : Mean from Frequency Distributions

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    31. Determine the estimated mean of the following frequency distribution.

    Class Frequency
    20 up to 30 7
    30 up to 40 12
    40 up to 50 21
    50 up to 60 18
    60 up to 70 12

    94. A sample of the amounts paid for parking on Saturday at the Downtown Parking Garage in Toronto was organized into the following frequency distribution.
    Amount Paid Frequency
    $0.50 up to $0.75 2
    0.75 up to 1.00 7
    1.00 up to 1.25 15
    1.25 up to 1.50 28
    1.50 up to 1.75 14
    1.75 up to 2.00 9
    2.00 up to 2.25 3
    2.25 up to 2.50 2

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    https://brainmass.com/statistics/frequency-distribution/business-statistics-mean-from-frequency-distributions-48816

    Solution Summary

    Means are found from frequency distributions. The solution is detailed and well presented. The response received a rating of "5" from the student who originally posted the question.

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