Examlex
A hypothesis test using the t distribution, which is used when the standard deviation is unknown and the sample size is small, is called the z-test.
Expected Frequency
In statistics, the predicted count of occurrences across different categories or levels of a variable, based on probabilities.
Police Job
Employment positions within law enforcement agencies responsible for maintaining public order, safety, and the enforcement of laws.
Walk After Dark
The act or experience of walking in an area during nighttime, which may relate to studies on safety perceptions or physical activity.
Expected Frequency
The anticipated count of occurrences in a category or group based on a probability model or distribution.
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