Essay
The scores of five high-school English teachers on a grammar test were 17,19,14,20,and 20.
a.Compute the mean,variance,and standard deviation.
b.Explain what you have done and what the results mean to a person who has never had a course in statistics.
Correct Answer:
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A)M = 90/5 = 18; SS ...View Answer
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Correct Answer:
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