The Bureau of Justice Statistics surveys jail inmates on various issues and reports its findings in Profile of Jail Inmates. Independent simple random samples of jail inmates in two different years gave the following information on age.
At the 5% significance level, do the data provide sufficient evidence to conclude that, in the two years, jail inmates are nonhomogeneous with respect to age?
Answer to relevant QuestionsPrior to the 2008 election, the Quinnipiac University Poll asked a sample of U.S. residents, "If Barack Obama is elected President, do you think the economy will get better, get worse or stay about the same?" This problem is ...Refer to Exercise 12.95 and show that the value of the χ2-statistic equals the square of the value of the z-statistic. (Note: You may observe slight differences due to roundoff error.) From data in Hospital Statistics, published by the American Hospital Association, we obtained the following contingency table for U.S. hospitals and nursing homes by type of facility and type of control. We used the ...a. Sex and classification b. Sex and residency c. Sex and college d. Classification and residency e. Classification and college f. College and residency Recall from Chapter 1 (refer to page 30) that the Focus database and ...State the four assumptions required for one-way ANOVA. How crucial are these assumptions?
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