Preliminary Data Analyses Indicate That It Is Reasonable to Consider $\text { Use } \alpha = 0.01 \text {. }$

Essay

Preliminary data analyses indicate that it is reasonable to consider the assumptions for one-way ANOVA satisfied.Perform the required hypothesis test using the critical-value approach.
-A realtor wishes to compare the square footage of houses in 4 different cities, all of which are priced approximately the same. The data are listed below. Can the realtor conclude that the mean square footage in the four cities are equa $\text { Use } \alpha = 0.01 \text {. }$ $\begin{array}{cccc}\hline \text { City \#1 } & \text { City \#2 } & \text { City \#3 } & \text { City \#4 } \\\hline 2150 & 1780 & 1530 & 2400 \\2210 & 1540 & 1750 & 2350 \\1980 & 1690 & 1580 & 2600 \\2000 & 1650 & 1670 & 2200 \\1900 & & 1500 & 2000 \\& & 1600 & 2150 \\& & & 2350 \\\hline\end{array}$