Which of the following compares the differences observed between the groups to the differences one would normally expect on the basis of chance alone and then compute the probability that the results would have been obtained solely by chance.

Question

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Analysis of Variance (ANOVA) is designed to compare the differences among group means in a sample to determine if the means are significantly different from each other, and it computes the probability that these differences could have occurred by chance.

Which of the Following Compares the Differences Observed Between the Groups