Examlex
According to the facial______________hypothesis,changes in facial expression can lead to corresponding changes in emotion.
Mean
A statistical measure representing the central or typical value in a set of data, calculated as the sum divided by the number of observations.
Directional
Pertains to hypotheses or tests that specify the expected direction of the relationship or difference between variables, as opposed to non-directional or two-tailed tests.
Non-directional
A hypothesis that does not specify a direction of difference or association between two variables.
Standard Error
A measure of the statistical accuracy of an estimate, indicating how much the sample mean is expected to vary from the true population mean.
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