Examlex
Which of the following is an example of a cohort?
Degrees of Freedom
Defines the number of independent values or quantities that can vary in an analysis without breaking any constraints.
Two-Sample T Test
A statistical analysis used to compare the means of two independent samples to determine if there is a statistically significant difference between them.
Pooled Estimate
A method to estimate a combined variance from two or more groups that assumes the groups have the same variance.
F Test
A statistical test used to determine if there are significant differences between the variances of two or more samples.
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