Solutions Statistics

A researcher conducts a survey in Detroit on citizen attitudes toward police. She believes that the

Question: A researcher conducts a survey in Detroit on citizen attitudes toward police. She believes that the race will affect attitudes toward the police. The survey produces the following contingency table, test of significance, and measures of association. Apply of the five steps of hypothesis testing and interpret the results.

Table 1. Attitudes toward the police by race
Attitude toward police		Race Race		Total
Attitude toward police		0 Nonwhite	1 White	Total
0 Police do not do a good job		76	73	149
0 Police do not do a good job		50.7%	24.7%	33.4%
1 Police do a good job	di	74	223	297
1 Police do a good job	di	49.3%	75.3%	66.6%
Total	d1	150	296	446
Total	d1	100.0%	100.0%	100.0%