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Compare these with the percentages that should be expected


Question: Consider the following sample:

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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: x { s, x { 2s, x { 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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Basic Statistics: Compare these with the percentages that should be expected
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