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In the following situations, decide whether you would use a personal interview, telephone survey, or self-administered questionnaire. Give your reasons. Answers should be 100 - 200 words each.
A. A survey of the residents of a new subdivision on why they happened to select that area in which to live. You also wish to secure some information about what they like and do not like about life in the subdivision.B. A poll of students at Metro University on their preferences among three candidates who are running for president of the student government.C. A survey of 58 wholesale grocery companies, scattered over the eastern United States, on their personnel management policies for warehouse personnel.D. A survey of financial officers of the Fortune 500 corporations to learn their predictions for the economic outlook in their industries in the next year.E. A study of applicant requirements, job tasks, and performance expectations as part of a job analysis of student work-study jobs on a college campus of 2,000 students, where 1,500 are involved in the work-study program.
Surface area of a cube. The formula A = 6V^-2/3(-2/3 power) gives the surface area of a cube in the volume V. What is the volume of a cube with a surface area 12 square feet?
NCAA Basketball Tournament. Each year, 64 college basketball teams compete in the NCAA tournament. Sandbox.com recently offered a prize of $10 million to anyone who could correctly pick the winner in each of the tournament games.
The mean, median, and mode are the most common measures of dispersion (spread).
A recent article in Vitality magazine reported that the mean amount of leisure time per week for American men is 40.0 hours. You believe this figure is too large and decide to conduct your own test.
Obvious tests In many cases, hypothesis testing is used when the evidence is obvious. For example, why would you even bother testing if the true mean is 50 ppm?
standard deviation= 2.5 ounces. Which of the following is true about the sampling distribution of the sample mean if a sample of size 15 is selected?
Analyze these data and summarize your findings for managers. Explain how information can be used by decision makers. Assume that sales per customer are normally distributed.
If 200 passengers take this flight, find the binomial and Poisson probability of no platinum flyers (round your answer to 4 decimal places).
High levels of cockpit noise in an aircraft can damage the hearing of pilots who are exposed to this hazard for many hours
Assume the probability that you will make a sale on any given telephone call is 0.11. Find the probability that you make your first sale on the fifth call, make your sale on the first, second, or third call, and do not make a sale the first three ..
Were the frequency distributions used effectively to report the results? Why or why not? Find an example of a presentation of statistics using a frequency distribution(s) from any media source.
Let p represent the population proportion of all numbers in the corporate file that have a first nonzero digit of 1. Test the claim that p is less than 0.301 by using What is the value of the test statistic?
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