You Want to Determine Whether Gender Has an Impact on Attitudes

Essay

You want to determine whether gender has an impact on attitudes toward police. You conduct a survey with a random sample of 220 individuals over the age of 18 asking your participants about their attitudes about police (positive/negative). The results are presented in the table below. You set your alpha level at 0.01.
a. Identify the independent and dependent variables and indicate the level of measurement for each variable.
b. Compute the percentages for every cell.
c. State your null hypothesis and your alternative hypotheses.
d. Compute the degrees of freedom.
e. State your decision rule
f. Compute expected frequencies for each cell.
g. Compute chi square.
h.Interpret your findings.
$$\begin{array} { | l | r | r | r | } \hline & { \text { Male } } & \text { Female } & \\\hline \text { Positive } & 42 & 77 & 93 \\\hline \text { Negative } & 57 & 44 & 127 \\\hline & 99 & 121 & 220 \\\hline\end{array}$$