Examlex
Because of its stringent assumptions,the t-test is not very commonly used in criminal justice or criminological research.
Z-test
A statistical test used to determine whether two population means are different when the variances are known and the sample size is large.
µ = 15
Represents the mean of a population is equal to 15.
Z-statistic
A measure used in statistics to quantify the deviation of a data point or a group of data points from the mean, expressed in terms of standard deviations.
Two-tailed Test
A statistical test that allows for the exploration of relationships in both directions, enabling the detection of significant differences regardless of the direction.
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