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The Foggy Bottom Sheriff's Department requires all applicants for deputy sheriff to pass a pre-employment agility test. It requires that an applicant to do 30 sit-ups in one minute, 25 pushups with no time limit, run 300 meters in 1 minute 11 seconds and drag a 165 pound dummy for a distance of 40 feet in 1 minute. Lisa McGregor fails the test. There are no female deputy sheriffs in the department.
Independent Variable
The variable that is manipulated or changed in an experiment to see if it has an effect on some other variable.
Type I Error
Incorrectly rejecting a true null hypothesis, also known as a "false positive" in statistical hypothesis testing.
Alpha Level
The threshold of statistical significance in hypothesis testing, often set at 0.05, below which the null hypothesis is rejected.
Small Sample Size
A condition where the number of participants or observations in a study is limited, potentially affecting the reliability or generalizability of the results.
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