Which group is more consistent?

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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The following are standardized cognitive scores foryounger people andolder people: Younger 8, 6, 6, 7, 8, 7, 8, 8 Older 7, 5, 8, 5, 7, 6, 8, 5 Calculate SS, variance, and standard deviation for
both sets of people. Which group is more consistent?
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