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Question: The yield on a general obligation bond for the city of Davenport fluctuates withthe market.The monthly quotations for 2006 are given in Table shown below:
Month Actual Value Y bar
January 9.29February 9.99March 10.16April 10.25May 10.61June 11.07July 11.52August 11.09September 10.8October 10.5November 10.86December 9.97
Use exponential smoothing with a smoothing constant of .2 and an initial value of 9.29 to forecast the yield for January 2007.
Is this forecast better than the forecast made using the better moving average model? Why? Explain your answer, support with numbers.
1.a large study was done to compare two treatments for recurring ear infections in young children. a total of 150
Distinct random variable
Suppose that A makes a statement, and then D says that C says that B says that A was telling the truth. What is the probability that A was actually telling the truth?
Big Time Software Co. has developed a new version of it XD-3 software. They want to determine if the new version of XD-3 is faster then the old version.
Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
If two of totes don't conform to purity requirements, determine the probability that at least one of nonconforming totes is selected in sample?
CPI and Subway Fare Find the best predicted cost of subway fare when the consumer Price Index (CPI) is 182.5 (in the year 2000).
Suppose that a random requisition is found to have been incorrectly entered. What is the probability that it was processed by data entry specialist 1? By data entry specialist 2? By data entry specialist 3?
In this paragraph, be sure to make it clear how you handled the issue of conducting three planned comparisons. Also provide the ANOVA summary table for these results.
Shouldn"t say never, two have made it from maybe twenty. This one makes it, Does anyone know what the popular vote was.? What was the percentage for each leader?
You are running a chi-squared test. You have 2 groups with 3 characteristics each, what would your critical value be with an alpha of .025?
How large a sampl.e is needed to estimate the true proportion of home owners who have vegetable gardens to within 4 percentage points with 95% confidence?
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