OpenStax, Statistics §1.2 Data, Sampling, and Variation in Data and Sampling · Try It 7 · Statistics · Sampling & experiments
Data, Sampling, and Variation in Data and Sampling · Try It 7
Determine the type of sampling used (simple random, stratified, systematic, cluster, or convenience).
A high school principal polls 50 freshmen, 50 sophomores, 50 juniors, and 50 seniors regarding policy changes for after school activities.
OpenStax, Statistics · §1.2 Data, Sampling, and Variation in Data and Sampling · Try It 7
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