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In an experiment, Jay and Alissa are injected with the same concentration of a harmless drug. The purpose of the drug is to create arousal in the subjects who are injected. After a while, the arousal manifests as anger in Jay and as happiness in Alissa. Jay felt angry that he was injected with an unknown substance, but Alissa was happy to be a part of the experiment. These experimental findings can be explained by the _________.
T-test
A statistical test used to compare the means of two groups and determine if they are significantly different from each other.
F-ratio
A statistic used to compare the variances between groups in an ANOVA test to determine if the groups come from populations with different variances.
Differences
Variations or distinct disparities between two or more entities, values, or conditions.
Null Hypothesis
A statistical assumption positing that there is no meaningful difference or association between specified attributes or variables.
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