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    Histogram, Cumulative Graph, Percentile, Quartile

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    The final examination of a course requires an essay. The number of pages from a sample of 25 students were collected. The data are:

    5 8 9 3 12 8 5 7 3 3 8 9 5 2 7 12 9 6 3 8 7 10 9 12 7

    a) Construct a histogram. Describe its shape.
    b) Draw a cumulative graph
    c) Calculate the 65th percentile
    d) Calculate the upper quartile and bottom quartile
    e) Interpret the results in b, c and d.

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    https://brainmass.com/statistics/descriptive-statistics/histogram-cumulative-graph-percentile-quartile-example-311337

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