The Manager of a Grocery Store Wants to Determine If $\alpha = 0.05$

Essay

The manager of a grocery store wants to determine if there is a difference in the amount of money that the store brings in at different times of the day for different days of the week. The amount of money spent by five randomly selected customers is listed below. Analyze the data using a two-way ANOVA at $\alpha = 0.05$ . $$\begin{array} { c | c c } & \text { Wednesday } & \text { Saturday } \\\hline \text { Morning } & 85 & 175 \\& 120 & 112 \\& 65 & 78 \\\text { Afternoon } & 95 & 130 \\& 60 & 80 \\& 110 & 160 \\& 150 & 150 \\\multirow{5}{*} { \text { Evening } } & 99 & 148 \\& 120 & 152 \\& 100 & 120 \\& 50 & 65 \\& 53 & 85 \\& 26 & 72 \\& 48 & 83 \\& 23 & 59\end{array}$$