Homework Answers
(10)
(a)
Correct option:
Stratified
Explanation:
Population (here: Students) is divided into several strata (here: Classes) and sample is selected from each stratum.
(b)
Correct option:
Convenience
Explanation:
Sample is selected based on convenience and not by probability
methods.
(c)
Correct option:
Systematic
Explanation:
Samples are selected at constant periodicity (here: every 25th item)
(d)
Correct option:
Cluster
Population (here: cancer patients) is divided into several clusters (here: hospitals) and samples are selected from randomly selected clusters.
(e)
Correct option:
random
Explanation:
Items are selected by Simple Random Sampling (SRS) technique.
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Elemenntary Statistics Study Guide 2: Q.10 a-e
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