Question

How do I find the variance for a sample of 15

Numbers given are 52,70,50,61,49,46,48,55,47,68,61,70,71 and 69

Step 1

Here a sample of 14 data points are given it was mentioned as 15 in question. We need to compute the variance of the sample and we consider n = 14 as only 14 data points are given.

Variance of a sample is calculated by the following formula.

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