## Calculating Variance and Standard Deviation

Standard Deviation Practice Problems (with answers) 1. Consider the following three data sets A, B and C. A = {9,10,11,7,13} B = {10,10,10,10,10} C = {1,1,10,19,19} a. Calculate the mean of each

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What is the value of x in the equation 3x + 5 = 17? The value of x in the equation 3x + 5 = 17 is 12.

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## Standard Deviation Practice Worksheet • Deal with math questions
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• Figure out mathematic  ## Standard Deviation Worksheet

The smaller the standard deviation, the closer the scores are on average to the mean. When the standard deviation is large, the scores are more widely spread out on average from the mean.   ## Sample and population standard deviation

To find the standard deviation of a set of values: a. Find the mean of the data b. Find the difference (deviation) between each of the scores and the mean c. Square each deviation d.
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