Statement of a problem № m41212


Consider the following sample: a. Calculate the mean and standard deviation for this data. b. Determine the percentage of data values that fall in each of the following intervals: ± s, ± 2s, ± 3s. c. Compare these with the percentages that should be expected from a bell-shaped distribution. Does it seem plausible that these data came from a bell-shaped population? Explain.

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