Compute the variance and standard deviation.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 11PT
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Consider a sample with data values of 5, 20, 7, 19, and 9. Compute the variance and standard deviation.
Expert Solution
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Step 1
The sample mean is,
The sample mean is 12.
The sample variance is,
Thus, the sample variance is 47.5.
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