A Random Sample of 150 Individuals (Males and Females) Was

Essay

A random sample of 150 individuals (males and females) was surveyed, and the individuals were asked to indicate their yearly incomes. The results of the survey are shown below. $$\begin{array} { l l l } \text { Income Category } & \text { Male } & \text { Female } \\\text { Category 1: } \$ 20,000 \text { up to } \$ 40,000 & 10 & 30 \\\text { Category 2: } \$ 40,000 \text { up to } \$ 60,000 & 35 & 15 \\\text { Category 3: } \$ 60,000 \text { up to } \$ 80,000 & 15 & 45\end{array}$$ Test at α = .05 to determine if the yearly income is independent of the gender.