Mathematics · Sampling Theory
Stratified sampling is most effective when certain variance criteria are fulfilled. Which of the following conditions is INCORRECT regarding optimal stratification?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The stratifying variables are strongly correlated with the variable under study.
- 2Variability between strata is maximized.
- 3Variability within strata is minimized.
- 4Variability within strata is maximized.✓
Correct answer
Variability within strata is maximized.
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