Examlex
How do primary and secondary groups differ? Provide an example for each.
Sample Size
The number of observations or units chosen from a population for the purpose of statistical analysis.
Lowering Alpha
Reducing the alpha level, or the threshold of significance, to decrease the probability of committing a type I error in hypothesis testing.
Type I Error
A statistical error occurring when a true null hypothesis is incorrectly rejected.
Type II Error
The error that occurs when a false null hypothesis is not rejected, meaning a true effect is missed.
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