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- September 13, 2020
- By menge

How to calculate these statistic problems. Thanks see attached documents

How to calculate these problems ? The following data give the prices of seven textbooks randomly selected from a university bookstore.

$9

4 $171 $10

4 $114 $5

1 $163 $143 a. Find the mean for these data. Calculate the deviations of the data values from the mean. Is the sum

of these deviations zero?

Mean = $ Deviation from the mean for $171 = $ Sum of these deviations = $ b. Calculate the range, variance, and standard deviation. [Round your answers to 2 decimal places.]

Range = $ Variance = Standard deviation = $