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OpenStudy (anonymous):
What is the standard deviation of the data set given below? 2, 3, 6, 9, 10
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OpenStudy (queelius):
\[sample~variance = \sum_{i=1}^{n} (x_i-average)^2/(n-1)\] (1) What is the sample size n? (2) What is the average of the sample? (3) Plug the numbers into the sample variance equation. (4) Standard deviation of the sample is sqrt(sample variance).
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