Sociology: High School Dropouts This problem is based on information taken from Life in America's Fifty States by G. S. Thomas. A random sam. ple of n1 Hawaii, and 12 were found to be high school dropouts. Another random sample of n2 County, Wyoming, and 7 were found to be high school dropouts. Do these data indicate that the population proportion of high school dropouts on Oahu is different (either way) from that of Sweetwater County? Use a 1% level of significance. 31. 153 people ages 16 to 19 was taken from the island of Oahu. 128 people ages 16 to 19 was taken from Sweetwater 32. | Political Science: Voters A random sample of n1 in the state of California showed that 141 voted in the last general election. A random sample of n2 showed that 125 voted in the most recent general election. (See reference in Problem 31.) Do these data indicate that the population proportion of voter turnout in Colorado is higher than that in California? Use a 5% level of significance. 288 voters registered = 216 registered voters in the state of Colorado

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.