Question

This histogram shows the distribution of the amount of sales tax (as percentages) in the 50 states and District of Columbia.
(a) About how many states charge between 4% and 5% sales tax?
(b) Estimate the mean from the histogram. Attach the appropriate unit to your estimate.
(c) Which do you think is larger, the mean or median? Why?
(d) Suggest an explanation for the multiple modes that are evident in the histogram.
(e) Is the SD of these data closer to 2, 5, or 10? (You don’t need to calculate the SD exactly to answer this question. Think about what the SD tells you about how data cluster around the mean.)


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  • CreatedJuly 14, 2015
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