Examlex
Which of the following modes of selection leads to a reduction in variation but no change in the mean?
Standard Deviation
An indicator of the range or distribution of a data set, showing the degree to which the values diverge from the average.
ACT Test Takers
Individuals who participate in taking the ACT, a standardized test used for college admissions in the United States.
Confidence Interval
A statistical term for the range within which we expect, with a certain level of confidence, that a population parameter lies based on a sample statistic.
Registered Voters
Individuals who are officially registered to vote in elections within a specified jurisdiction.
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