A Realtor Wishes to Compare the Square Footage of Houses

Essay

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. Use the Kruskal-Wallis test
to test the claim that there is no difference in the distribution of the populations. Use $$\begin{array}{l}\alpha = .05\\\begin{array} { c c c c } \hline \text { City 1 } & \text { City 2 } & \text { City 3 } & \text { City 4 } \\\hline 2850 & 2480 & 2230 & 3100 \\2680 & 2240 & 2370 & 3050 \\2700 & 2390 & 2280 & 3300 \\2910 & 2350 & 2300 & 2850 \\2600 & 2400 & 2200 & 2700 \\2750 & & 2450 & 2900 \\& & 2350 & 3050 \\& & & 2950\end{array}\end{array}$$