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(1) Your company has been hired by the government to analyze the rivets used in the construction of the F-22 Raptor. The construction requires that the mean diameter of the rivets be .375cm, with a standard deviation of at most .005cm. The government has given you measurements of the diameters of 100 such rivets (provided in the attached spreadsheet, and is asking your company whether the F-22 project should accept delivery of 300,000 of these rivets from the manufacturer.
Your answer to this problem should be a Word document which provides the following information:
(a) What should be your company's recommendation to the government?
(b) A technical write up of how you arrived at your answer. This should be no more than one page in length. Clarity of expression is valued much more than the length of the response.
(2) Computer processors of different speeds are manufactured on a single assembly line. Variations and errors in the process of manufacturing alter the speed at which these processors can operate. The company tests each processor as it leaves the assembly line to determine its speed and sells it at an appropriate price. Here is the revenue index:
Determine the expected market return on $ 20,000 if the expected return on asset is 20%, its beta is 1.5, and the risk free rate is 5 percent?
Compute the 95% confidence interval on theproportion of times this person can predict coin flips correctly. Whatconclusion can you draw about this test of his ability to predict the future - Find the confidence interval on the population mean.
The following data was randomly drawn from a normal population. At an alpha level of .05, does the mean of the population differ significantly from -150. Use Excel.
Give an example of a null and alternative hypotheses. This can be a personal item or something at work. Additionally, identify the Type I and Type II Errors that could occur with your decision-making process.
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Construct an ANOVA table to identify which of the effect estimates are statistically significant, Develop a model for the response based on the results of part and Construct an ANOVA table to see if the model developed suffers from lack of fit
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For a two-tailed test of hypothesis (.01 significance level) to determine if there is a difference in the population means, the degrees of freedom are
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for the table that follows answer the following questionsx y1 -62 -103 -144- would the correlation between x and y in
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