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A sample of N = 4 individuals is selected from a normal population with μ = 70 and σ = 10. A treatment is administered in the sample, and after the treatment, the sample mean is found to be = 75. a. On the basis of the sample data, can you conclude that the treatment has a significant effect? Use a two-tailed test with α = .05
b. Suppose that the sample consisted of N = 25 individuals and produced the same mean of = 75. Repeat the hypothesis z-Test at the .05 level of significance.
c. Compare the results from part a and part b. How does the sample size influence the outcome of a z-test?
Do you feel that the Federal Reserve Bank is necessary? Do you feel that it is currently doing its job? What are some improvements you can propose? Why is the Federal Open Market Committee (FOMC) the key policy group within the Fed? What is the money..
In the classical theory what factor determines aggregate demand, which in turn determines the price level? According to classical theory what three factors lead to long-term economic growth?
Examine the major effects that government policies have on production and employment. Predict the potential effects that government policies could have on a low-calorie, frozen microwaveable food company.
When we talk about demographics it is another word for profiling. Who are we reaching, who is buying and who may be a potential target market. Some people have an ethical issue with profiling.
Alex's Furniture Mart produces and sells tables in a perfectly competitive market. When Alex's Furniture Mart produces and sells 250 tables.
Explain the trade-off between stability and low moral hazard that characterizes bank regulation. What was the savings and loan crisis and how is it a case study of general problems in regulating banks?
Suppose an economy’s real GDP is $52,000 in year 1 and $54,200 in year 2. What is the growth rate of its real GDP? Instructions: Round your answer to two decimal places. The growth rate of the economy's real GDP = % Assume that population is 100 in y..
Pretend that you are opening up a new restaurant in your neighborhood. Describe how you would use digital technology including an outstanding customer database to maximize the relationships with your customers. What could you do in order to obtain pe..
The following observations are given for two variables.
Suppose the call money rate is 6.8 percent, and you pay a spread of 1.9 percent over that. You buy 600 shares at $78 per share with an initial margin of 25 percent. One year later, the stock is selling for $84 per share, and you close out your positi..
How might managers interpret the potential for their product in a market that is, in absolute economic terms, large but, on a per capita basis, characterized by a majority of poor consumers? In the event that the BRICs fail to meet projected performa..
There is an intimate connection between politics and economics, and different systems of the two can only exist side-by-side in certain pairings. For instance, says Friedman, a society which is (economically) socialist cannot also be (politically) de..
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