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1. What are the assumptions that must be met for non-parametric statistics?
2. What are the positives and the negatives of the chi-square test?
Construct a 90% confidence interval on the difference in fraction nonconforming between the two processes."
You are a manager with Appetizer. The company owns a chain of restaurants in the United States. Appetizer is looking for an opportunity to expand.
what is the sample space of all possible outcomes? Are the outcomes equally likely?
A deck of 52 cards is dealt face up in a row. What is the probability that all 4 aces and all 4 kings are adjacent (but in any order)?
A partial computer output from a regression analysis as follows. The regression equation is:
Enzymatic method: 13.1, 12.7, 12.6, 13.3, 13.3. GC method: 13.5, 13.3, 13.0, 12.9. Does the enzymatic method give the same value as the GC method at the 95% confidence level?
Consider the results of the hypothesis test you conducted above. Which of the two types of errors could you have committed? Explain the ramification of committing such an error in the context of this scenario.
In the past few years out sourcing over seas has become more frequently used than before by U.S. companies. However, out souring is not with out problems. A recent survey indicates that 20% of the companies that outsource over seas use consultant.
What is the probability that an employee selected at random will need either corrective shoes or major dental work?
A manufacturer has a maximum of 240, 360, and 180 kilograms of wood, plastic and steel available. The company produces two products, A and B. Each unit of A requires 1, 3 and 2 kilograms of wood, plastic and steel respectively;
Test the hypothesis that there is no difference in the mean scores of Exam 1 and Exam 2 against the alternative that the average is greater for the second exam.
the null hypothesis is to be tested at 95% confidence. Determine the critical value(s) for this test.
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