FORESTRY
AGRICULTURAL STATISTICS AND ECONOMICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Divide the class into four groups (freshman, sophomore, junior and senior) and take a random sample of two students from each group
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simple random sampling
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stratified random sampling
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cluster sampling
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systematic sampling
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Explanation:
Detailed explanation-1: -Stratified random sample: The population is first split into groups. The overall sample consists of some members from every group. The members from each group are chosen randomly.
Detailed explanation-2: -What is stratified sampling? In stratified sampling, researchers divide subjects into subgroups called strata based on characteristics that they share (e.g., race, gender, educational attainment). Once divided, each subgroup is randomly sampled using another probability sampling method.
Detailed explanation-3: -Simple random sampling. In a simple random sample, every member of the population has an equal chance of being selected. Systematic sampling. Stratified sampling. Cluster sampling. 19-Sept-2019
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