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Be a Simpson! Can you design a Simpson's paradox? Two companies are vying for a city's "Best Local Employer" award, to be given to the company most committed to hiring local residents.
Although both employers hired 300 new people in the past year, Company A brags that it deserves the award because 70% of its new jobs went to local residents, compared to only 60% for Company B.
Company B concedes that those percentages are correct, but points out that most of its new jobs were fulltime, while most of Company A's were part-time. Not only that, says Company B, but a higher percentage of its fulltime jobs went to local residents than did Company A's, and the same was true for part-time jobs.
Thus, Company B argues, it's a better local employer than Company A. Show how it's possible for Company B to fill a higher percentage of both full-time and part-time jobs with local residents, even though Company A hired more local residents overall.
The question to address is: "What have you learned about statistics?" In developing your responses, consider - at a minimum - and discuss the application of each of the course elements in analyzing and making decisions about data
describe a scenario where you believe a binomial distribution would be appropriate. describe a scenario where you
the university of iowa is experimenting with a blend of soil amendments to be used in an analysis of variance study of
A consumer protection group is concerned that a ketchup manufacturer is filling its 20-ounce family-size containers with less than 20 ounces of ketchup.
Suppose that you are the director of table game operations at a large casino, known especially for its poker room. You are interested in determining the average number of hands the casino should expect per hour during peak hours in the poker room.
you want to know if theres an association between college students spring breakdestinations and what year theyre in.
With reference to Exercise 25, use the large-sample confidence-interval formula of Exercise 19 to construct a 98% confidence interval for the standard deviation of the time it takes a mechanic to perform the given task.
A probability distribution is a mutually exclusive listing of the outcomes of an experiment which can occur by chance and the corresponding probabilities of occurrence.
suppose the counts recorded by a geiger counter follow a poisson process with an average of two counts per minute.a
1. for the production lot size model to be appropriate the relationship between d annual demand and p maximum annual
according to the statistical abstract of the united states there are 31.1 millions one-person households 38.6 millions
birthweights at a local hospital have a normal distribution with a mean of 110 oz. and a standard deviation of 15 oz.
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