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Unformatted text preview: state each answer in the space provided and in your own words: a. Hypothesis testing can be conducted only with a random sample. Why? b. Explain the role of sampling distribution in a test of hypothesis. c. What is a null hypothesis? Why do we test it instead of our actual research hypothesis? d. What is the critical region? How is the size of the critical region determined? e. Give an example of a research situation where a onetailed test of hypothesis would be appropriate. f. What exactly can be concluded in the one sample case when the test statistic falls in the critical region? What can be concluded in the twosample case, when it falls in the critical region?...
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 Fall '07
 Kaynak

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