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Problem 4

 

2.5 Measures of Variability: Range, Standard Deviation, and Variance

Concept
Problem 1
Problem 2
Problem 3
Using the Graphing Calculator
Now You Try It!

Find the Range, Variance, and the Standard Deviation for the following earnings data for a person who started working at age 14 in 1989.

Σx = 383,660.00  and  Σx² = 15,594,326,388.00

 

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