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The ranking procedure described in Exercise 45 is somewhat asymmetric, because the smallest observation receives rank 1 whereas the largest receives rank 2, and so on. Suppose both the smallest and the largest receive rank 1, the second smallest and second largest receive rank 2, and so on, and let ...
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Suppose we wish to test H0: the X and Y distributions are identical versus Ha : the X distribution is less spread out than the Y distribution The accompanying gure pictures X and Y distributions for which H a is true. The Wilcoxon rank-sum test is not appropriate in this situation because when Ha is...
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In an experiment to study the way in which different anesthetics affect plasma epinephrine concentration, ten dogs were selected and concentration was measured while they were under the in uence of the anesthetics iso urane, halothane, and cyclopropane ( Sympathoadrenal and Hemodynamic Effects of Is...
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The model for the data from a randomized block experiment for comparing I treatments was Xij m ai bj eij, where the a s are treatment effects, the b s are block effects, and the e s were assumed normal with mean 0 and variance s2. We now replace normality by the assumption that the e s have t...
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The article Production of Gaseous Nitrogen in Human Steady-State Conditions (J. Appl. Physiol., 1972: 155...
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The single-factor ANOVA model considered in Chapter 11 assumed the observations in the ith sample were selected from a normal distribution with mean mi and variance s2, that is, Xij mi eij where the e s are normal with mean 0 and variance s2. The normality assumption implies that the F test is no...
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Refer to Exercise 39, and consider a con dence interval associated with the sign test, the sign interval. The relevant hypotheses are now H0: versus H a: . Let s use the following rejection region: either Y 15 or Y 5. a. What is the signi cance level for this test? b. The con dence interval will c...
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The sign test is a very simple procedure for testing hypotheses about a population median assuming only that the underlying distribution is continuous. To illustrate, consider the following sample of 20 observations on component lifetime (hr):...
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The study reported in Gait Patterns During Free Choice Ladder Ascents (Hum. Movement Sci., 1983: 187...
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. The article Effects of a Rice-Rich Versus PotatoRich Diet on Glucose, Lipoprotein, and Cholesterol Metabolism in Noninsulin-Dependent Diabetics (Amer. J. Clin. Nutrit., 1984: 598...

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