Region and Race. The U.S. Census Bureau compiles data on the U.S. population by region and race and publishes its findings in Current Population Reports. Independent simple random samples of residents in the four U.S. regions gave the following data on race.

Region Race White Black Other Total Northeast 93 14 6 113 Midwest 118 14 4 136 South 167 42 7 216 West 113 7 15 135 Total 491 77 32 600 At the 1% significance level, do the data provide sufficient evidence to conclude that a difference exists in race distributions among the four U.S. regions?