The standard deviation of the wages of 400 textile workers is $ 12.8. Another sample of 600 textile workers gives the standard deviation at $ 15.7. Find out if the standard deviation of the first sample significantly differs from the combined deviation of the two samples which is $. 14.
The standard deviation of the wages of 400 textile workers is $ 12.8. Another sample of 600 textile workers gives the standard deviation at $ 15.7. Find out if the standard deviation of the first sample significantly differs from the combined deviation of the two samples which is $. 14.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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