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1. The Producer Price Index for finished consumer goods from 1980 through 2007 is in file XR18084, with 1982 5 100 and 1980 coded as t 5 1. Construct a first- order autoregressive forecasting equation for these data, calculate the mean absolute deviation (MAD) for the fit of the forecast values to the actual values, then use the equa- tion to forecast the PPI for 2008. Source: Bureau of the Census, Statistical Abstract of the United States 2009, p. 474.
2. The Consumer Price Index from 1961 through 2007 is in file XR18085, with 1982-1984 5 100 and 1961 coded as t 5 1. Construct a first-order autoregres- sive forecasting equation for these data, calculate the mean absolute deviation (MAD) for the fit of the fore- cast values to the actual values, then use the equation to forecast the CPI for 2008. Source: The New York Times Almanac 2009, p. 338; and Bureau of the Census, Statistical Abstract of the United States 1999, p. 495.
Compute standard error of mean? Compute the margin of error, with 95% confidence.
question consider the following record of sales for a product for the last 100 days. sales unitsnumber of days
question to play a lottery game a player must choose 6 numbers between 1 and 49. the order is not important. six
7. Get the passenger car mileage data from http://lib.stat.cmu.edu/DASL/Data?les/carmpgdat.html (a) Fit a multiple linear regression model to predict MPG (miles per gallon) from the other variables. Summarize your analysis.
Which gives me 39.5 people. That is the way that my book figured it out for 10 people. I just did to the 50th power instead of to the 10th power. Am I not doing it correct?
Finding the value of test statistic utilizing two-tail 't' test also interpret the result. The Commercial Bank as well as Trust Company is studying the use of its automatic teller machines.
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scientists at the hopkins memorial forest in western massachusetts have been collecting meteorological and environ-
A film developer claims that the mean number of pictures developed for a camera with 24 exposer is less than 22. If the hypothesis test is preformed, how should you interpret a decision a)reject the null hypothesis and b) fail to reject the null h..
Assuming that there is no exchange of information, or influence, across universities as to their hiring decisions, and that the chancellor is as likely to be chosen as any other applicant, what is the chancellor's probability of getting at least o..
a a student who waits for two buses every day records the status of the arrival of each bus. the bus is either late on
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