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Standard Deviation of Conscientiousness Scores

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A study measured the conscientiousness of 15 successful entrepreneurs on a scale from 0 to 100. The resulting scores were: 82, 88, 95, 79, 91, 87, 93, 85, 90, 86, 92, 84, 89, 83, 88. What is the standard deviation for this set of scores?

A

3.8

B

4.2

C

4.7

D

5.1

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