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    Stem plot and standard deviation

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    Make a stem plot to check if there are no major departures from Normality. What proportions of the scores are within on standard deviation and within two standard deviations of the mean? What would these proportions be in exactly Normal distribution?

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    https://brainmass.com/statistics/quantative-analysis-of-data/stem-plot-standard-deviation-323401

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    The stem plot and standard deviation is examined. A complete, neat and step-by-step solution is provided in the attached file.

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