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What are the basic assumptions made when using time series techniques and causal techniques?
Statistics and Probability, Statistics
As an experiment, the investigators decided to take two measurements on the patient. One measurement will be made using the precise machine (withσI= 5) and the other will be made using the less precise machine (withσII= ...
Your supervisor comes to you and says she would like a marketing research study. She says there is a budget of $30,000. She would like to conduct a simple random sample of consumers interested in using the services of th ...
In a pre-election poll, a candidate for district attorney receives 379 of 750 votes. Assuming that the people polled represent a random sample of the voting population, test the claim that a majority of voters support th ...
A nutritional scientist wishes to study the effect of storage time on the amount of vitamin C (milligrams) contained in 50 gram freeze dried fruit packs when stored for one, one and a half and 2 years. Five fruit packs w ...
Explain the similarities and differences between "bagging" and "boosting" in predictive analytics.
Initial public offering A Brazilian company called Net shoes completed its IPO on April 12, 2017, and listed on the NYSE. Net shoes sold 8,250,000 shares of stock to primary market investors at an IPO offer price of $18, ...
How does a histogram help us know the probability of getting a certain value for a variable? In other words how does the histogram relate to probability?
During the winter of? 2008-2009, the average utility bill for residents of a certain state was ?$173 per month. A random sample of 30 customers was selected during the winter of? 2009-2010, and the average bill was found ...
Becky Fenton has 40/80/35 automobile insurance coverage. If two other people are awarded $70,000 each for injuries in an auto accident in which Becky was judged at fault, how much of this judgment would the insurance cov ...
According to a Field Poll, 258 out of 602 of California adults feel that "education and our schools" is one of the top issues facing California. We wish to construct a 90% confidence interval for the true proportion of C ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As