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Unformatted text preview: and Confidence Interval Estimator o Test Statistic When o Confidence Interval Estimator of When Testing the Population Variances o The hypotheses to be tested are o The test statistic is the ratio of the sample variances , which is Fdistributed with degrees of freedom and . The required condition is the same as that for the ttest of , which is that both populations are normally distributed. o This is a two tail test so that the rejection region is o 13.2 Observational and Experimental Data 13.3 Inference about the Difference between Two Means: Matched Pairs Experiment 13.4 Inference about the Ratio of Two Variances 13.5 Inference about the Difference between Two Population Proportions...
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This note was uploaded on 11/09/2011 for the course ECO 220 taught by Professor Tanaka during the Fall '11 term at University of Toronto Toronto.
 Fall '11
 tanaka
 Economics

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