What is the sample variance of the following numbers? 6, 4, 2, 7, 1
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Step 1
Calculate the mean ($\bar{x}$) of the data set. 2. For each data point ($x_i$), subtract the mean and square the result ($(x_i - \bar{x})^2$). 3. Sum all the squared differences ($\sum (x_i - \bar{x})^2$). 4. Divide the sum by (n - 1), where n is the number of Show more…
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