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.