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The following data give the times (in minutes) that all 10 students took to complete an assignment in a statistics class. 15 27 17 37
The following data give the times (in minutes) that all 10 students took to complete an assignment in a statistics class.
15 27 17 37 31 12 29 18 23 38
Carry out all calculations exactly, round to 2 decimal places the final answers where it is necessary.
a.Calculate the range, variance, and standard deviation for these data.
Range =
Variance =
Standard deviation =
b.Calculate the coefficient of variation.
CV =%
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