If the population is E, and assuming the researcher selects part of the population as a sample, what could be the sample? (Select all that apply.)
a. A
b. B
c. C
d. D
e. E
ANS: A, B, C, D
Sampling involves selecting a group of people, events, behaviors, or other elements with which to conduct a study. A sample denotes the selected group of people or elements included in a study sample; it is a subset of the population. Every element of the sample is located within the population. In the diagram, A, B, C, and D are totally contained within E. The sampling criteria determine the target population, and the sample is selected from the accessible population within the target population.
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