Chapter 11: Comparisons Involving Proportions

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Chapter 11 Comparisons Involving Proportions Learning Objectives 1. Be able to develop interval estimates and conduct hypothesis tests about the difference between the proportions of two populations. 2. Know the properties of the sampling distribution of the difference between two proportions[pic]. 3. Be able to conduct a goodness of fit test when the population is hypothesized to have a multinomial probability distribution. 4. For a test of independence, be able to set up a contingency table, determine the observed and expected frequencies, and determine if the two variables are independent. 5. Understand the role of the chi-square distribution in conducting tests of goodness

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