In: Statistics and Probability
The police chief wants to know whether the city’s non-whites feel that the police are doing a good job. In comparison to whites’ evaluation, this information will tell the police whether they have a community relations problem in the non-white community. A survey reveals the data in the accompanying table.
| 
 Race  | 
|||
| 
 Attitude toward Police  | 
 Nonwhite  | 
 White  | 
 Total  | 
| 
 Police do not do good job  | 
 76  | 
 73  | 
 149  | 
| 
 Police do good job  | 
 74  | 
 223  | 
 297  | 
| 
 Total  | 
 150  | 
 296  | 
 446  | 
a) What can you tell the police chief about the contingency table? Do the city’s non-whites feel the police are doing a good job?
b) Explain the various steps you must perform when conducting a Chi-square analysis?
c) Perform a chi-square analysis to test the relationship between race and attitude toward the police. Discuss and provide a substantive interpretation of your findings.