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Competitive dimensions: cost/price, quality, delivery speed, delivery reliability, respond to changes in demand, and flexibility and new product introduction. Identify two dimensions that would find excess capacity attractive. Identify one dimension that would find excess capacity unattractive. Provide 2-3 sentences explanation for each.
Why is a normal distribution curve a good way to display data? What are the two main properties that describe the curve and what can you tell by just those two numbers. Give an example of a real world situation where you could use a normal curve t..
q1. consider an experiment that results in a positive outcome with probability 0.38 and a negative outcome with
List the advantages and disadvantages of systematic sampling. List the advantages and disadvantages of stratified sampling. List the advantages and disadvantages of cluster sampling.
Reconsider the Kentucky Derby winning times and speeds from Exercise 9.20. Test whether there is any effect of the categorical factor "Track" (with seven categories) on winning speed, after accounting for year. The full model will have Year and th..
What is the p-value associated with the above sample result?
Present the estimated model. Give an interpretation of the coefficient of determination (r2). List the adjusted r2. Use the F-test to test the validity of the model as a whole at a 5% level of significance.
Would you expect distributions of these variables to be uniform, unimodal, or bimodal? Symmetric or skewed? Explain why.
question aggregate responses to three questions were obtained from a survey of 100 males and 100 females who were
At the .10 level of significance, is the coin biased toward heads? Show your decision rule and calculations.
How large a sample must one take to be 90% confident that the estimate is within 0.05 of the true proportion of women over 55 who are widows?
Describe one way in which humans have used their knowledge of natural biodegradation processes to reduce waste or clean up environmental damage.
Each judge is asked to state which glass he or she most enjoyed. Suppose that the two formulas are equally attractive. Let Y be the number of judges stating a preference for the new formula. Find the probability function for Y .
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