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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.
What do you think is your own probability of being in an accident in the next year? This is a personal probability. Give some reasons why your personal probability might be a more accurate prediction of your "true chance" of having an accident than ..
In certain normal distribution of scores, mean is 50 and standard deviation is 4. Determine z-score corresponding to a score of 55.
what is the maximum amount a decision maker would pay for additional
An absent-minded nurse is to give Mr. Brown a pill each day. The probability that the nurse forgets to administer the pill is 2/3. If he receives the pill, the probability that Mr. Brown will die is 1/3.
What does game theory entails? Explain the historic perspective on the game theory in relation to decision making to the business and management.
Assuming the federal government's claim is correct, what is the probability that less than 15% of the people in the sample will be found to have been overpaid?
They select every 20th person from the list until a sample of 100 is obtained. They then call these 100 people. Does this sampling plan result in a random sample? Simple random sample? Explain.
Federal health officials estimate that 67% of all those over age 65 receive the flu vaccine. Suppose 8 people over 65 will be randomly selected. Which of the following is the expected number that will be vaccinated in such a random sample of 8 peo..
Calculate the mean, median, and mode for the total murders in the top 20 states. Calculate the standard deviation and variance for the total murders in the top 20 states
Describe the methods for interpretation of categories (row or column) in CA. Can categories always be directly compared based on proximity in the perceptual map?
A random sample of 25 households finds that an average of 2.3 people reside in each house (the standard deviation is 0.35). With a 95% confidence level, what is your estimation of the population average?
question 1 a survey found that the average hotel room rate in new orleans is 89 and the average room rate in phoenix is
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