Examlex
When the results of a hypothesis test are determined to be statistically significant, then we _______________ thenull hypothesis.
Degrees of Freedom
The number of independent values or quantities that can vary in the analysis of data sets, important for determining the significance of statistical tests.
Equal-variances T-test
A statistical method that compares the average values of two groups, under the assumption that both groups have equal variances.
Normal Populations
Populations in which the underlying distribution of the data follows a normal distribution, characterized by a symmetric bell-shaped curve.
Independent Samples
Samples in which the selection or occurrence of one does not affect the selection or occurrence of the other.
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