Age and party 2011 II Consider again the Pew Research Center results on age and political party in Exercise 33. a) What is the marginal distribution of party affiliation? b) Create segmented bar...

Age and party 2011 II Consider again the Pew Research Center results on age and political party in Exercise 33.

a) What is the marginal distribution of party affiliation?

b) Create segmented bar graphs displaying the conditional distribution of party affiliation for each age group.

c) Summarize these poll results in a few sentences that might appear in a newspaper article about party affiliation in the United States.

 d) Do you think party affiliation is independent of the voter’s age? Explain.