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1. A medical researcher wants to investigate the effect of different pain medications on people suffering from migraine headaches. Twenty-one people who had recently seen a doctor for migraine headaches were randomly assigned to receive one of three pills: drug A, drug B, or a placebo (drug C). Each participant recorded their pain level three times a day at regular intervals for one week (pain was recorded on a 1 to 10 scale, with higher scores indicating greater pain). The average pain level over the one-week period was calculated for each participant and is reported below. Use the five-step model to test the hypothesis of no difference in the reported pain levels between the groups. Test at α=.05.
2. An experiment in teaching introductory biology was conducted at a large university. One section was taught by the traditional lecture-lab method, a second was taught by an alllab/demonstration approach with no lectures, a third was taught entirely by a series of videotaped lectures and demonstrations that students were free to view at any time and as often as they wanted. Students were randomly assigned to each of the three sections and, at the end of the semester, random samples of final exam scores were collected from each section. Use the five-step model to determine if there is a significant difference in student performance by teaching method. Test at α=.05. How much of the variation in student performance can be explained by teaching method?
An emissions fee is paid to the government, whereas an injurer, who issued and held liable, pays damages directly to the party harmed by an externality. What differences in the behavior of victims might you expect to arise under these two arrange..
Explain how each of the subsequent events affects the equilibrium price also quantity of pizza- the price of mozzarella cheese rises.
Calculating inflation using a simple price index-Which of the following, if true, would illustrate why price indexes such as the CSPI might overstate inflation in the cost of going to college? Check all that apply.
How might oligopolistic increase total revenue without changing prices.
The following events occur in the market for good B, which is a normal good: Identify the impact of the event to the equilibrium price and quantity of each event.
What is the relationship between money supply, interest rate, and exchange rate?
Consider and economy with the following production technology: Y = 9K^1/3 L^2/3 , where the aggregate capital stock is K=100, and aggregate labor is L=100. The price of output is 1. Compute the equilibrium wage and capital return. Compute total payme..
Is there any range of production characterized by scale of economies. At Illustrate what production level are scale economies exhausted.
Define ways MNCs can use to minimise/reduce/manage exposure to exchange rate risk and interest rate risk. Does evidence indicate that firm size significant.
As a result of many rounds of the General Agreement on Tariffs and Trade and other trade negotiations, both tariff and nontariff barriers have
Use the midpoint method to compute your price elastcityof demand as the price of compact discs increases. Compute your income elasticity of demand as your income increases.
Find Equilibrium GDP (Y). If potential GDP is 1950, is the economy in a recessionary or inflationary gap. Suppose that the MPC, falls to 0.75, so C = 0.85DI. Find Equilibrium GDP.
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