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Mathematics, 07.05.2021 01:00 Likat1006
Which is an example of stratified random sampling created from each given population?
A. Deciding who should be the president of the senior class by tossing a coin to choose between two candidates.
B. Placing slips of papers with all 100 students in 8th grade class in a box and choosing 25 names without looking
C. Surveying members of a political party by calling people listed in the telephone directory whose last names begin with the letter A.
D. Surveying subscribers to a magazine by separating the list of subscribers into four age groups and choosing a sample from each group proportional to its size in the population.
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Which is an example of stratified random sampling created from each given population?
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