A club has 20 male and 80 female members. If a committee of 20 is being formed by random selection, what is the best method of sampling to use to ensure that there is a proportional representation of males and females in the club.  Self- selective  sample Stratified random sample Systematic sample Simple random sample

MATLAB: An Introduction with Applications
6th Edition
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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 A club has 20 male and 80 female members. If a committee of 20 is being formed by random selection, what is the best method of sampling to use to ensure that there is a proportional representation of males and females in the club. 

  1. Self- selective  sample
  2. Stratified random sample
  3. Systematic sample
  4. Simple random sample
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