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A researcher uses an anonymous survey to investigate the study habits of American college students.Based on the set of 56 surveys that were completed and returned, the researcher finds that these students spend an average of 4.1 hours each week working on course material outside of class.For this study, the average of 4.1 hours is an example of a(n) _______.
Mail Survey
A research method involving the distribution of questionnaires sent through the postal service to collect data from respondents.
Sample Size
The number of subjects or units chosen from a population to participate in a study.
Accurate
A term describing the closeness of a measurement to the true value or the degree of accuracy of a measurement or process.
Sample Estimates
Statistical values calculated from a sample that estimate corresponding parameters in the population from which the sample is drawn.
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