In recent election years, political scientists have analyzed whether a gender gap exists in political beliefs and party identification. The table shows data collected from the 2010 General Social Survey on gender and party identification (ID).

a. Identify the response and explanatory variables.
b. What proportion of sampled individuals is 

(i) Male and Republican, 

(ii) Female and Republican?
c. What proportion of the overall sample is 

(i) Male,
(ii) Republican?
d. Are the proportions you computed in part c conditional or marginal proportions?
e. The two bar graphs, one for each gender, display the proportion of individuals identifying with each political party. What are these proportions called?
Is there a difference between males and females in the proportions that identify with a particular party?
Summarize whatever gender gap you observe.

Transcribed Image Text:

Party ID by Gender Party Identification Independent Gender Democrat Republican Total 111 237 Male Female Total 89 95 184 355 537 892 155 205 360 348 Party ID by Gender Male Female 0.5- 0.4- 0.3 0.2 - 0.1 0.0 Dem Indep Rep Dem Indep Rep Party Proportion