Mean height of male workers is 70 inches and the S.D. is 2.9 inches. The corresponding numbers for female workers are 64 inches and 2.3 inches. If the ratio of male and female workers is 70: 30, what is the mean and S.D. for male and female workers taken together?
Mean height of male workers is 70 inches and the S.D. is 2.9 inches. The corresponding numbers for female workers are 64 inches and 2.3 inches. If the ratio of male and female workers is 70: 30, what is the mean and S.D. for male and female workers taken together?
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 26PFA
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