A Realtor Wishes to Compare the Square Footage of Houses

question 31

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 $$\begin{array}{l}\alpha = .05\\\begin{array} { c c c c } \hline \text { City 1 } & \text { City 2 } & \text { City 3 } & \text { City 4 } \\\hline 2850 & 2480 & 2230 & 3100 \\2680 & 2240 & 2370 & 3050 \\2700 & 2390 & 2280 & 3300 \\2910 & 2350 & 2300 & 2850 \\2600 & 2400 & 2200 & 2700 \\2750 & & 2450 & 2900 \\& & 2350 & 3050 \\& & & 2950\end{array}\end{array}$$

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Definitions:

Inner Lining

The layer of material or tissue on the inner side of an organ, structure, or clothing.

Splenic Flexure

The part of the colon that bends near the spleen, connecting the transverse colon to the descending colon.

Colon

A part of the large intestine that absorbs water and salts from food and plays a crucial role in the digestive system.

Mastication

The process of chewing food in preparation for swallowing and digestion.