A Marketing Research Company Surveyed Grocery Shoppers on the East

Essay

A marketing research company surveyed grocery shoppers on the East Coast and West Coast to see the percentage of the customers who prefer chicken to other meat.The data are given below.
$\begin{array} { l c c } & \text { Sample Size } & \text { Number Who Prefer Chicken } \\\text { East Coast } & 492 & 156 \\\text { West Coast } & 386 & 172\end{array}$
Is the proportion of customers who prefer chicken the same for the two regions? Test at α = .10.