What is the primary purpose of an ANOVA test?

  • To check the correlation between variables
  • To compare the means of three or more groups
  • To compare the means of two groups
  • To compare the variances of two or more groups
The primary purpose of an ANOVA (Analysis of Variance) test is to compare the means of three or more groups to see if they are different. It is a way to find out if survey or experiment results are significant. In other words, they help to figure out if you need to reject the null hypothesis or accept the alternate hypothesis.
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