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The parole board is alarmed by the low number of years served out of 20 year sentences for a group of upcoming potential parolees. Nevertheless,

The parole board is alarmed by the low number of years served out of 20 year sentences for a group of upcoming potential parolees. Nevertheless, they are interested in the distribution, and calculate the variability of the following 5 scores. 5 9 8 9 9 Calculate the variance

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