Task 3: The means of two samples of sizes 50 and 100 respectively are 54-1 and 50-3 and the Mandard deviations are 8 and 7. Obtain the standard deviation of the sample of size 150 obtained by combining the twO samples.
Task 3: The means of two samples of sizes 50 and 100 respectively are 54-1 and 50-3 and the Mandard deviations are 8 and 7. Obtain the standard deviation of the sample of size 150 obtained by combining the twO samples.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 23SGR
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