To determine if the means of three or more groups are significantly different,one would use _____________.

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The analysis of variance (ANOVA) is used to determine if there is a significant difference between the means of three or more groups. The t-test is used to compare the means of two groups, while chi-square is used to test the independence of two categorical variables. "Chee-square" is not a valid statistical test.

To Determine If the Means of Three or More Groups