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An ANOVA test was conducted with respect to the population mean. The null hypothesis was rejected. This indicates
1. There were too many degrees of freedom.
2. There is no difference between the population means.
3. There is a difference between at least two population means.
4. A larger sample should be selected.
5. None of these is correct.

Solution Summary

This soluton answers and explains a multiple choice question about ANOVA.