Find The Sample Variance And Standard Deviation Quizlet

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Find The Sample Variance And Standard Deviation Quizlet. Find the population variance and standard deviation. Subtract the mean from each data value in the data set ;

A Normal Population With Unknown Variance Has A Mean Of 20 Quizlet from d2nchlq0f2u6vy.cloudfront.net

Determine the sample standard deviation. Add to get the sum of squares. Because using something like the population mean is impractical.

Find the sum of the squares ;

Comparing variability in two data sets. The data set with the larger variance, or standard deviation, exhibits more variation in the data. You cant poll every person in a population, so instead you use the one of a sample. Find the sum of the squares ;