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You live at a latitude of 28 N. What is the angle between the northern horizon and the north celestial pole?
Variances Are Equal
An assumption in certain statistical tests that the variability in groups or conditions being compared is roughly the same.
Group Difference
The observed variance or deviation between two or more groups in a study, measured in terms of the dependent variable.
Two-Tailed Test
A hypothesis test where the alternative hypothesis specifies that the parameter can differ from the hypothesized value in either direction (i.e., larger or smaller).
Directional Hypothesis
A hypothesis that specifies the direction of the expected difference or relationship between variables.
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