Answer all please

What is the function of a posttest in ANOVA? 0 Determine if any statistically significant group differences have occurred. 0 Describe those groups that have reliable differences between group means. 0 Set the critical value for the F test (or chi-square). 11 0t 20 identity the one-way ANOVA: C) 3 effects (2 main and 1 interaction) 0 1 effect with more than 2 levels 12 of 20 An example twoway ANOVA is: impact of gender AND type of exercise ON depression 0 True 0 False 13 of 20 What would happen if instead of using an ANOVA to compare 10 groups. you performed multiple t-tests? 0 Nothing, there is no difference between using an ANOVA and using a ttest. 0 Nothing serious, except that making multiple comparisons with a ttest requires more computation than doing a siggle ANOVA. 0 Sir Ronald Fischer would be turning over in his grave; he put all th multiple ftests! 0 Making multiple comparisons with a f-test increases the probability of making a Type I error. at work into developing ANOVA, and you use - 14 of20 Using your F table, what is the critical value for a s Q 3.86 O 3.71 O 6.61 O 5.41 at of sample data that has 3 df between of 3 and a df within of 10