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Mathematics, 18.03.2021 03:10 zoop55

Which of the following is an advantage of using stratified random sampling? A-Stratified random sampling saves time and money.
B-Stratified random sampling requires knowledge of the entire population.
C-Stratified random sampling can be used even when there is not a list of the population
D-Stratified random sampling provides more precise estimates than simple random sampling.

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