Question

The increases (in cents) in cigarette taxes for 17 states in a 6-month period are
60, 20, 40, 40, 45, 12, 34, 51, 30, 70, 42, 31, 69, 32, 8, 18, 50
Use the range rule of thumb to estimate the standard deviation. Compare the estimate to the actual standard deviation.
Find the range, variance, and standard deviation unless the question asks for something different.
Assume the data represent samples, and use the shortcut formula for the unbiased estimator to compute the variance and standard deviation.


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  • CreatedSeptember 04, 2015
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