Independent Random Samples Taken at Two Local Malls Provided the Following

Short Answer

Independent random samples taken at two local malls provided the following information regarding purchases by patrons of the two malls.
$\begin{array}{lcc}&\text { Hamilton Place }&\text { Eastgate }\\\text { Sample Size } & 85 & 93 \\\text { Average Purchase } & \$ 143 & \$ 150 \\\text { Standard Deviation } & \$ 22 & \$ 18\end{array}$ We want to determine whether or not there is a significant difference between the average purchases by the patrons of the two malls.
a. Give the hypotheses for the above.
b. Compute the test statistic.
c. At 95% confidence, test the hypotheses.