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    Calculating measures of central tendency and dispersion

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    In a recent survey of small bakeries in the Southeast, 10 bakeries report the following number of employees: 15, 14, 12, 19, 13, 14, 15, 18, 13, 19.

    Find the mean, median, variance and standard deviation.

    © BrainMass Inc. brainmass.com June 3, 2020, 4:46 pm ad1c9bdddf
    https://brainmass.com/statistics/quantative-analysis-of-data/calculating-measures-central-tendency-dispersion-3365

    Solution Preview

    Mean = sum of all employees/ number of stores
    = 15+14+12+19+13+14+15+18+13+19 / 10
    = 15.2

    To calculate the median, re-arrange the figures, in ascending order:
    12, 13, 13, 14, 14, 15, 15, 18, ...

    Solution Summary

    The following outlines the formulas and method of calculating various measures of central tendency and dispersion for a sample, namely: mean, median, variance, and standard deviation.

    $2.19

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