Home Size. The U.S. Census Bureau publishes information on the sizes of housing units in Current Housing Reports. Independent random samples of single-family detached homes (including mobile homes) in the four U.S. regions yielded the following data on square footage.

Northeast Midwest South West 3182 2115 1591 1345 2130 2413 1354 694 1781 1639 722 2789 2989 1691 2135 1649 1581 1655 1982 2203 2149 1605 1639 2068 2286 3361 642 1565 1293 2058 1513 1655 At the 10% significance level, do the data provide sufficient evidence to conclude that a difference exists in median square footage of single-family detached homes among the four U.S. regions?