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A local Holiday Inn asked customers to rate their stays

A local Holiday Inn asked customers to rate their stays on a scale of 1–10. The following list shows the ratings given by the last 10 customers:

8 8 7 10 6 9 5 7 6 8

a. Calculate the range.

b. Calculate the variance.

c. Calculate the standard deviation.

8 8 7 10 6 9 5 7 6 8

a. Calculate the range.

b. Calculate the variance.

c. Calculate the standard deviation.

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