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Assume you are the manager of a mustard seed factory in Colombia. Your company has received complaints that there isn't enough mustard seed in your economy size packages, which should have 1.7 ounces. You ask your foreman and chief operating officer Juan Valdez to test the new mustard seed packaging machine you are installing. He runs a sample of 36 packages, with the results of package sizes in ounces:
1.5 1.7 1.8 1.9 1.7 1.751.75 1.66 1.81 1.65 1.77 1.751.8 2.2 1.7 1.65 1.88 1.61.7 1.7 1.6 1.65 1.65 1.651.8 1.91 1.7 1.59 1.76 1.651.3 2.0 1.91 1.65 1.8 1.8
A. Calculate a 95% confidence interval on the average weight of packaged mustard seed. Explain very carefully to the packaging workers what the 95% confidence interval numbers mean. Include your Excel output. Is there anything you would want to note for management?
Create the 90% confidence interval for mean score of all such subjects. You may suppose scores are usually distributed.
We recalculated our comparison of ideal number of children, this time only for women, separating them into two groups, those who indicated that they were "very happy" or "not at all happy" with life.
During the war with Iraq in 1991 the Terraco Motor Company produced a lightweight, all terrain vehicle code named "J99 Terra" for the military. The company is now planning to sell the Terra to the public.
The Financial Advisor exam has a mean of 500 and a standard deviation of 20. If the bank chooses to hire either Steve or Mark based solely on their exam performance, who is the bank more likely to hire? Show evidence for your answer.
At the 0.10 level of significance, is the coin biased toward heads? Show your decision rule and calculations.
The Minneapolis Tribune ran an article on gender differences in shopping behavior. When 400 women were asked to respond to the question "Where I shop is influenced by which store has a greater variety," 60% answered "Yes.
Using goodness-of-fit test and.01 level of significance, find out whether accidents are evenly distributed all through the day. Write a short description of your conclusion.
Use the permutations rule to determine the total number of different ways the winners can be drawn.
A committee of three is selected at random from a set consisting of five Democrats, eight Republicans, and two Independents.
Using multiple linear regression, compute the regression equation for the following data in Excel.
Graphical method to solveout the linear programming problem. Describe where the following TEO constraints intersect.
It has been claimed that women live longer than men; however, men tend to be older than their wives. Ages of sixteen husbands and wives from England were obtained. These data should be analyzed with a
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