Consider the following sample: a. Calculate the mean and standard deviation for this data. b. Determine the
Question:
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:
x̅ ± s, x̅ ± 2s, x̅ ± 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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a b Therefore are respectively 51 2260 51 22260 51 32260 ie 284 736 58 962 and 168 1...View the full answer
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Related Book For 
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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