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Quantitative Methods - Time Series Analysis and Forecasting
Please answer the following questions:
(1) Why, if it is possible to use it, is linear regression the best way to forecast given a time series?(Maybe 50 words)
(2) Why do you think using computer software to do forecasting calculations is almost necessary if you are changing the number of time periods for a moving average or the alpha value for an exponential smoothing calculation?(Maybe 50 words)
Construct an exponential model to predict the town's population each decade. Use your model to predict the population of the town in 2020. (Express your answer rounded up to the nearest person.)
MANAGEMENT DECISIONS The management of Hartman Rent-A-Car has allocated $1,008,000 to purchase 60 new automobiles to add to their existing fleet of rental cars.
fifteen countries were randomly selected from the world factbook 2004 list of world countries and the infant mortality
Suppose that the votes of n people for different candidates (where there can be more than two candidates) for a particular office are the elements of a sequence. A person wins the election if this person receives a majority of the votes.
The radius and height of a tank cannot exceed above 5m and 12m respectively. It is possible to construct a tank with a volume of 900m^2?
Find the periodic payment R required to accumulate a sum of S dollars over t yr with interest earned at the rate of r%/year compounded m times a year.
Find the general solution of the linear system corresponding to the following augmented matrix
Let T(n) be the running time of the modified Select1 on n items. How can you express the running time of Magic Middle in terms of T(n)?
Recall the definition of "equivalence modulo d" in class; for all a, b ? Z, a=b (modd)iffd|(b-a). Supposen,m,x,y?Z,n=x (modd)andm=y (modd).
1. Inflation causes both pure and speculative risks in our society. Can you give some examples of each?
A patient receives a 150-mg injection of a drug every 4 hours. The graph shows the amount ƒ(t) of the drug in the bloodstream after hours. (Later we will be able to compute the dosage and time interval to ensure that the concentration of the drug ..
After three and a half years he sold the furniture and repaid the loan in full because he was moving overseas. How much did he need to repay?
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