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    BrainMass Expert's Approach to Statistics

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    Company ABC had sales per month as listed below. Using the MegaStat output given, determine:

    (A) Range
    (B) Median
    (C) The range of the data that would contain 68% of the results.

    Raw data: sales/month (Millions of $)
    23
    45
    34
    34
    56
    67
    54
    34
    45
    56
    23
    19

    count 12
    mean 40.83
    sample variance 236.88
    sample standard deviation 15.39
    minimum 19
    maximum 67
    range 48

    Stem and Leaf plot for # 1
    stem unit = 10
    leaf unit = 1

    Frequency Stem Leaf
    1 1 9
    2 2 3 3
    3 3 4 4 4
    2 4 5 5
    3 5 4 6 6
    1 6 7
    12

    © BrainMass Inc. brainmass.com June 4, 2020, 12:10 am ad1c9bdddf
    https://brainmass.com/statistics/stemplot/brainmass-expert-s-approach-to-statistics-323607

    Solution Preview

    Please see attached file.

    Company ABC had sales per month as listed below. Using the MegaStat output given, determine:
    (A) Range = maximum - minimum = 67-19=48
    (B) Median = The average of 6th and 7th data in the ordered list (stem and leaf plot)= ...

    Solution Summary

    This posting helps with a statistics problem. The solution provides the statistics, and plot.

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