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Differences between a population and a sample

Determine whether the group is a sample or a population.

a. The participants in a study of a new cholesterol drug
b. The drivers who received a speeding ticket in Kansas city last month
c. Number of people on welfare in Cook County (Chicago) Illionis
d. The 30 stocks reported as part of the Dow Jones industrial average.

Solution Summary

This question deals with the differences between a population and a sample. 4 examples are provided. Answers and explanations are given for each of the 4 examples.