The latest census shows the population aged 25 to 40 to be 48% male and 52% female. A market research firm interested in the buying habits of young adults aged 25 to 40 instructs its interviewers to sample 300 persons, 144 of whom are to be men and 156 of whom are to be women. This is an example of a quota sample.

Question

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A quota sample is a non-probability sampling technique in which interviewers are given quotas or specific numbers of people to include in the sample from certain groups, such as gender or age. In this case, the market research firm has instructed their interviewers to sample 144 men and 156 women, which is a clear example of a quota sample.

The Latest Census Shows the Population Aged 25 to 40