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A population of size 100 is divided into four stratà whose sizes are N, = 40, N, = 10,' N, variances (S?) are 2, 3, 4, 5 respectively. How will you = 20 and N = 30 and 4 1 draw samples of size 20 according to the two allocations (proportional and optimum)?

A population of size 100 is divided into four stratà whose sizes are N, = 40, N, = 10,' N, variances (S?) are 2, 3, 4, 5 respectively. How will you = 20 and N = 30 and 4 1 draw samples of size 20 according to the two allocations (proportional and optimum)?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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A population of size 100 is divided into four stratà whose sizes are N 1 40, N, = 10, N, = 20 and N, 30 and 4 %3D variances (S?) are 2, 3, 4, 5 respectively. How will you draw samples of size 20 according to the two allocations (proportional and optimum)? ution :
Transcribed Image Text:A population of size 100 is divided into four stratà whose sizes are N 1 40, N, = 10, N, = 20 and N, 30 and 4 %3D variances (S?) are 2, 3, 4, 5 respectively. How will you draw samples of size 20 according to the two allocations (proportional and optimum)? ution :
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