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A health researcher is interested in determining whether or not the speed at which people walk is related to their cholesterol levels. He picks 100 adult volunteers at random, checks their cholesterol levels, and then times each one while they walk a stretch of 100 yards. He is amazed at the results: a simple regression between the walk times and the cholesterol levels has an R2 of 0.98 and the slope of the regression line is 0.7. Would he be justified in concluding that walking slowly may cause high cholesterol or that high cholesterol may affect walking speed? Discuss why or why not.
Gayla Delong owns Oklahoma Warriors, a minor league baseball team in Oklahoma. Charlotte just raised its incentive package, also new score is 75. Why doesn't this impact your decision in part (a).
How can you use the normal probability plot to evaluate whether a set of data is normally distributed and what is the difference between a population distribution and a sampling distribution?
When you consider coach, interpreter, director, and navigator as change managers, you should assume that they have an active role in the initiation, support, and outcomes of organizational change. What does that mean and why is it significant?
A vending machine dispenses hot chocolate or coffee. service time is 30 seconds per cup and is constant. Customers arrive at a mean rate of 72 per hour, and this rate is poisson-distributed.
What management, organization, and technology factors had to be addressed in providing business intelligence capabilities for each type of user?
Identify a company that is no longer in business. What critical data within this organization may have contributed to its downfall? Was this a business of which you were a customer? Do you believe this company would be still around if it had approach..
Microsoft Access is one of the most popular database platforms on the market. However, there are many competitors. Why do you think that Access is so popular? What are some of the other types of databases available?
Determine the upper and lower control limits for the fraction of retests using two-sigma limits. (Do not round intermediate calculations. Round your final answers to 4 decimal places. Leave no cells blank - be certain to enter "0" wherever require..
should HG employ someone whose main function is that of liaison between its corporate cultures also culture of its host country. If so, is Martin right person for job.
what are some potential strengths weaknesses opportunities and threats that a business should consider in a swot
The manager of the Carpet City outlet needs to make an accurate forecast of the demand for Soft Shag carpet (its biggest seller). If the manager does not order enough carpet from the carpet mill, customers will buy their carpet from one of Carpet ..
What is the annual distribution cost of the current distribution network? Include transportation and inventory costs.
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