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QUESTION 3 2 points Save Answer If you have k = 4 groups and you reject the null hypothesis using ANOVA, this implies that the means of the four groups are all different. 7) True CT False QUESTION 4 2 points Save Answer When a research report demonstrates a signicant treatment effect at an a = .05 level. you can be more condent that the effect is real than if the researcher had reported a signicant effect with a = .01. (7 True 7'; False