Question

. Find the standard deviation for the given data. Round your answer to one more decimal place than the original data. 15, 42, 53, 7, 9, 12, 14, 28, 47

Answers

1. find the mean
2. find the results of (mean - each data value)
3. square each of those results, then find their sum
4. divide that sum by 9
5. take the square root of that result

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