Examlex
A population consists of the following four values: 8, 10, 12, and 16. From this population, there are 6 different samples of size 2. The means of the 6 samples of size 2 are: 9,10,12,11,13, and 14. Compare the dispersion in the population with that of the sample means.
One-tailed Test
A statistical test that determines the direction of a relationship, testing either for a positive or negative effect but not both.
Two-tailed Test
A statistical hypothesis test in which the area of rejection is on both ends of the sampling distribution, allowing for testing of deviations in both directions.
Generalizability
The extent to which findings from a study can be applied to broader contexts or different groups of people.
Educated Guess
A hypothesis or assumption made based on knowledge and reasoning rather than random guessing.
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