Answer
Stratified random sample
Work Step by Step
First, a sample size of 50 people are selected. Then, the sample is further divide onto two groups or strata, which is the men and the women. One sample is being selected from each stratum.
Introductory Statistics 9th Edition
by Mann, Prem S.
Published by
Wiley
ISBN 10:
1-11905-571-7
ISBN 13:
978-1-11905-571-6
Chapter 1 - Section 1.5 - Population Versus Sample - Exercises - Page 18: 1.23
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