Consider again the Pew Research Center results on age and political party in Exercise R1.33.
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?

Data From Exercise R1.33

The Pew Research Center conducts surveys regularly asking respondents which political party they identify with or lean toward. Among their results is the following table relating preferred political party and age.

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Age 18-29 30-49 50-64 65+ Total Republican/ Lean Rep. 318 991 1260 1136 3705 Party Democrat/ Lean Dem. 424 1058 1407 1087 3976 Neither 73 203 264 193 733 Total 815 2252 2931 2416 8414