Question

Asked Sep 13, 2019

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The question is, for the following scores find the mean, median, sum of squared deviations, variance, and standard deviation. 2,2,0,5,1,4,1,3,0,,0,1,4,,4,0,1,,4,3,4,2,1,0. Tnank you!

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Step 1

The mean of the data is calculated as follows:

Step 2

Median is the middle most items. There are 21 items. Therefore, median is the 11^{th} ((21+1)/2) item in the ordered arrangement (ascending or descending) of the data values.

The data in ascending order is as follows:

0,0,0,0,0,1,1,1,1,1,2,2,2,3,3,4,4,4,4,4,5.

Therefore, **median is 2** (11^{th} item in the ordered arrangement).

The sum of squared deviations is calculated as follows:

Step 3

The sample variance is calculated...

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