Halls, Inc At a 5% Level of Significance, Use Excel to Determine

Essay

Halls, Inc. has three stores located in three different areas. Random samples of the sales of the three stores (in $1,000s) are shown below. $$\begin{array} { l l l } \text { Store 1 } & \text { Store 2 } & \text { Store 3 } \\46 & 34 & 33 \\47 & 36 & 31 \\45 & 35 & 35 \\42 & 39 &\end{array}$$ At a 5% level of significance, use Excel to determine whether there is a significant difference in the average sales of the three stores.