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As in ANOVA, we often want to carry out a multiple-comparisons procedure following a Kruskal-Wallis test to tell us which groups differ signi?cantly.29 Here is a simple method: If we carry out k tests at ?xed signi?cance level 0.05/k, the probability of any false rejection among the k tests is always no greater than 0.05. That is, to get overall signi?cance level 0.05 for all of k comparisons, do each individual comparison at the 0.05/k level. In Exercise 15.43 you found a signi?cant difference among the lengths of three varieties of the ?ower Heliconia. Now we will explore multiple comparisons.
(a) Write down all of the pairwise comparisons we can make, for example, bihai versus caribaea red. There are three possible pairwise comparisons.
(b) Carry out three Wilcoxon rank sum tests, one for each of the three pairs of ?ower varieties. What are the three two-sided P-values? (c) For purposes of multiple comparisons, any of these three tests is signi?cant if its P-value is no greater than 0.05/3 = 0.0167. Which pairs differ signi?cantly at the overall 0.05 level?
Derive, and show on a table, Sony's total and marginal revenue for all possible output levels. From this, draw Sony's demand, marginal revenue and marginal cost curves
What is the significance of resource pricing? Expain how the factors determining resource demand differ from those determining product demand.
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Who gains and who loses from a tariff? How do the effects of tariffs differ from the effects of quotas? If you were a small country, what would you rather utilize? 200 word answer
a perform time series decomposition on your project y variable excluding the hold out period. show me the smoothed
Provide an overview of the Meaningful Use program and an analysis of the implications for nurses, nursing, national health policy, patient outcomes, and population health associated with the collection and use of Meaningful Use core criteria.
he most recent studies of lifetime medical costs of treating AIDS? a)have shown a significant increase in the estimates due to earlier diagnosis b)have shown a significant increase due to the use of new drugs including protease inhibitors
A firm is considering 2 capital investment projects. Project A involves an initial cost of $125,000. The discounted present value of all future cash flows is $145,000. Project B requires an initial expenditure of $85,000. The discounted present value..
jennifer trucking company operates a large rig transportation business in texas that transports locally grown
Normal 0 false false false EN-US X-NONE X-NONE Larue Tile and Carpets has ..
Determine the difference between Total Variable Costs (TVC), Average Variable Costs (AVC) and Marginal Costs (MC).
How many proper subgames are there? Find the pure-strategy subgame-perfect equilibria. Convert the original extensive-form game (of part a) into a strategic-form game.
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