Discussion:
Q: In a survey for its advertisers, a newspaper chain randomly sampled 100 readers of each of its 3 major newspapers, with the results.
Social Class |
Newspaper 1 |
Newspaper 2 |
Newspaper 3 |
Poor |
31 |
11 |
12 |
Lower Middle Class |
49 |
59 |
51 |
Middle Class |
18 |
26 |
31 |
Rich |
2 |
4 |
6 |
The researchers are interested in determining whether there is an association between social class and type of newspaper.
A. State the null and alternative hypotheses
B. Use the appropriate statistical test to test your hypothesis
C. Briefly write your conclusion.