CH10 – Test for Change in Financial Security Proportions
Essentials of Modern Business Statistics with Microsoft® Excel®
Anderson, Sweeney, Williams, Camm, and Cochran
07th Edition
State the hypotheses to test for a significant difference in the population proportions of adults indicating their financial security is more than fair in two different years. Conduct the hypothesis test, calculate the p-value, and determine if there has been a change. Additionally, provide a 95% confidence interval estimate of the difference between the two population proportions.
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