For a group of 50 male workers,the mean and standarddeviation of heir monthly wages are Rs.630 and Rs.90 respectively. Fora group of 40 female workers, these are Rs.540 and Rs.60 respectively.Find the standard deviation of monthly wages for the combined group *.ofworkers 40 O 90 50

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
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For a group of 50 male workers,the mean and standarddeviation of
their monthly wages are Rs.630 and Rs.90 respectively. Fora group of
40 female workers, these are Rs.540 and Rs.60 respectively.Find the
standard deviation of monthly wages for the combined group
* .ofworkers
40 O
90 O
50 O
Transcribed Image Text:For a group of 50 male workers,the mean and standarddeviation of their monthly wages are Rs.630 and Rs.90 respectively. Fora group of 40 female workers, these are Rs.540 and Rs.60 respectively.Find the standard deviation of monthly wages for the combined group * .ofworkers 40 O 90 O 50 O
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