Examlex
A person's ability to reason speedily and abstractly (for example,in solving novel logic problems) decreases slowly up to about age 75,then more rapidly,especially after age 85.This type of ability is also known as
Degrees of Freedom
The tally of individual figures or quantities which might be designated to a statistical distribution.
F-value
A value used in statistical testing to determine if the variances between two populations are significantly different, often arising in ANOVA (analysis of variance) settings.
Analysis of Variance
A statistical method used to compare the means of three or more samples, to determine if at least one of the sample means significantly differs from the others.
Unequal Variance
A condition in statistical analysis where the variability among data sets being compared is not the same.
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