Chi Square

 

Practice Problem


Montana Outlook Poll:  Chi-Square

Datafile Name: Montanac Outlook Poll

Reference: Bureau of Business and Economic Research, University of Montana, May 1992

Authorization: free use

Description: The Montana poll asked a random sample of Montana residents whether their personal financial status was the worse, the same, or better than a year ago, and whether they thought the state economic outlook was better over the next year. This file contains these items and accompanying demographics about the respondents. The file contains results for every other person included in the poll.


Number of cases: 209


Variable Names:


  1. 1.AGE = 1 under 35, 2 35-54, 3 55 and over

  2. 2.SEX = 0 male, 1 female

  3. 3.INC = yearly income: 1 under $20K, 2 20-35$K, 3 over $35K

  4. 4.POL = 1 Democrat, 2 Independent, 3 Republican

  5. 5.AREA = 1 Western, 2 Northeastern, 3 Southeastern Montana

  6. 6.FIN= Financial status 1 worse, 2 same, 3 better than a year ago

Download the file: Financial.sav


QUESTIONS


In similiar poll of 209 Montana residents was done 10 years ago.  At the time the following breakdown of political party affiliation was report:
        Democrat            70
        Independent        30
        Republican        109


Conduct a Chi Suare to test whether the current breakdown of party affiliation differs significantly than what would be expected based of breakdown 10 years ago (p<.05).   Report and interpret your results.