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1. What is meant by
(a) Econometrics?
(b) Regression analysis?
(c) Disturbance or error term?
(d) Simultaneous-equations models?
2. (a) What are the functions of econometrics?
(b) What aspects of econometrics (and other social sciences) make it basically di?erent from most physical sciences?
Eestimated values of the dependent variable observed values of the dependent variable and the estimated values of the dependent variable None of these answers is correct.
There is significant evidence, alpha =0.05, to show that there is a difference in the proportions of patients who show improvement between treatments 1 and 2
give an unbiased estimator of the following and give the estimated variance assuming
to test the effect of a physical fitness course on ones physical ability the number of sit-ups that a person could do
We are interested in testing to find out whether the variance of the population is vitally more than 0.003
Calculate and post your 'answers' or interpretations of (a little bit of a review of the fundamental concepts): The three Measures of Center (Mean, Median, and Mode).
A pharmaceutical firm as a sales rep
A standard deviation of 1.9 pounds. What is the 95 percent confidence interval for the true mean weight, u, of all packages received by the parcel service?
an important factor in selling a residential property is the number of people who look through the home. a sample of 15
One variable recorded is the count X of finish defects (dimples, ripples, etc) in the car's paint. Is it reasonable to use a binomial distribution?
Over the last year the absentee rate at a large corporation averaged 8.2 days absent with a standard deviation of 6 days. One department with 40 employees had an absentee rate of 12 days per employee.
Community policing strategies have been useful in some jurisdictions to reduce crime. As Police Captain, you wish to run an experiment to see whether it will work in your city.
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