for the first question the answer is either B. .23 or D. .13

Calculate the appropriate Measure of Association for Preferred Democratic Presidential Candidate by Race. Voted for Black White Donald Trump 12 78 Hillary Clinton 22 121 O -23 O .23 O -13 O .13According to the concept of , two variables are associated when information about one can help us improve our prediction of the other. A I I \\_z measure of association A I I \\_z statistics A I I \\_z proportional reduction or error The questions below refer to the following situation: In an Analysis of Variance with 3 groups, each containing 15 respondents: Calculate the within-group degrees of freedom. O 42 20 0 3 O 2The questions below refer to the following situation: In an Analysis of Variance with 3 groups, each containing 15 respondents: Calculate the between-group degrees of freedom. O 42 O 2 0 3 O 20Suppose you have three groups (A, B, and C). When you reject the research hypothesis in an ANOVA, this tells you that the population means: O are the same O are not all the same O are different and in which direction (e.g., A > B > C) O are related by virtue of their modal scores