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Question 4 0/14 pts Identify the sampling technique used. Thirty-five from each class of freshman, sophomores, juniors, and s

i thought this would be Clustering but l got it wrong

math   Statistics-And-Probability   
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Solution:- Stratified sampling

Stratified sampling is a method of sampling from a population which can be partitioned into subpopulations. In statistical surveys, when subpopulations within an overall population vary. Stratification is the process of dividing members of the population into homogeneous subgroups before sampling.

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