A Random Sample of 2,000 Individuals from Three Different Cities

Essay

A random sample of 2,000 individuals from three different cities was asked whether they owned a foreign or a domestic car. The following contingency table shows the results of the survey.
​ $$\begin{array}{l}\begin{array} { c | c c c | c } &&\text { City }\\\text { Type of Car } & \text { Detroit } & \text { Atlanta } & \text { Denver } & \text { Total } \\\hline \text { Domestic } & 80 & 200 & 520 & 800 \\\text { Foreign } & 120 & 600 & 480 & 1,200 \\\hline \text { Total } & 200 & 800 & 1,000 & 2,000\end{array}\end{array}$$ At α = .05, test to determine if the type of car purchased is independent of the city in which the purchasers live.