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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.
What is the probability that the cereal would be high calorie? In other words, what is P (high calorie)?
American Demographics reported the results of a survey on the planning habits of men and women. In response to the question.
In a regression analysis, the sum of the squared deviations between y and y-bar is SST = 200.0. If the sum of the squared deviations about the regression line is SSE + 40.0, what is the coefficient of determination?
Determine the distribution of X? Determine its parameters?
If you take the mean weights for random groups of 10 adults and form a new distribution, how will this new distribution compare to distribution of individuals?
He asks you to develop a proposal for the study and submit it to him. Develop the management-research question hierarchy that will help you to develop a specific proposal.
From the given probability distribution finite the mean and standard deviation.
What is the standard deviation for the sample proportion? What is the probablily that in this group over 18% of the new cars will be found to have electrical problems?
Determine the sample size necessary under the following conditions. To estimate with = 44, E = 3, and 95% confidence. To estimate with a range of values from 20 to 88 with E = 2 and 90% confidence.
Find the probability that a randomly selected student spends between eighty and ninety percent of the time on the test. Find the expected value of X. E(X)
A company's records indicate that on any given day, 1% of their day shift employees and 2% of the night shift employees will miss work. Sixty percent of the employees work the day shift. What percent of employees are absent on any given day?
Suppose that a random sample of 800 early replacement buyers yields a mean number of dealers visited of 1 = 3.3, and that a random sample of 500 late replacement buyers yields a mean number of dealers visited of 2= 4.5.
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