Examlex
Much of the processing in the business world concerns updating "transaction files" with changes from "master files."
Alpha
The threshold of significance in hypothesis testing, representing the probability of committing a Type I error.
Difference Scores
The subtraction results of one set of numerical data from another, used to analyze changes or effects in experiments.
Null Hypothesis
The null hypothesis is a statement that there is no effect or no difference, and it serves as the assumption to be tested in statistical analyses.
T-test
A statistical method employed to assess if there's a significant difference between the average values of two distinct groups.
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