Examlex
A predictor that is significant in a one-tailed t-test will also be significant in a two-tailed test at the same level of significance α.
One-way ANOVA
A statistical test used to determine if there are statistically significant differences between the means of three or more independent (unrelated) groups based on one independent variable.
F-ratio
A statistical measure used in analysis of variance (ANOVA) to determine the degree of variation between sample means in comparison to variation within the samples.
Critical Value
A point on the test distribution that is compared to the test statistic to decide whether to reject the null hypothesis.
Degrees of Freedom
Refers to the number of independent values or quantities which can be assigned to a statistical distribution or a statistical test.
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