Joan Moves into Her New Apartment and Wants to Purchase $\text { is no difference at } \alpha=0.05 \text {. }$

Joan moves into her new apartment and wants to purchase a new couch. She wants to determine if there is any difference between the average costs of couches at two different stores. Test the hypothesis that there $\text { is no difference at } \alpha=0.05 \text {. }$

$\begin{array}{|l|l|l|}\hline & \text { Store 1 } & \text { Store 2 } \\\hline \bar{x} & \$ 650 & \$ 730 \\\hline \sigma & \$ 66 & \$ 78 \\\hline n & 24 & 21 \\\hline\end{array}$