Examlex
Given a data set with 15 yearly observations,there are only seven 9-year moving averages.
Sampling Distribution
The distribution of a statistic (like the mean or variance) derived from a large number of samples drawn from a specific population.
Sample Mean Difference
The difference between the average values from two samples, used in hypothesis testing to compare two groups.
Equal-variances Test
A statistical test used to determine if two populations have the same variance.
Degrees of Freedom
The count of unique values or quantities that can be allocated to a statistical distribution or a system while still adhering to given constraints.
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