A company has 1000 employees, of whom 58% are men and 42% are women. The research department at the company wanted to conduct a quick survey by selecting a sample of 50 employees and asking them about their opinions on an issue. They divided the population of employees into two groups, men and women, and then selected 29 men and 21 women from these respective groups. The interviewers were free to choose any 29 men and 21 women they wanted. What kind of sample is it? Explain.
Answer to relevant QuestionsClassify the quantitative variables in Exercise 1.15 as discrete or continuous. In Exercise 15 a. The amount of time a student spent studying for an exam b. The amount of rain last year in 30 cities c. The arrival status of ...A magazine published a questionnaire for its readers to fill out and mail to the magazine’s office. In the questionnaire, cell phone owners were asked how much they would have to be paid to do without their cell phones for ...Refer to Exercise A.21. Based on that study, the researchers concluded that the job training program causes (helps) families who are on welfare to get off the welfare program. Do you agree with this conclusion? Explain. Explain the difference between a sample survey and a census. Why a sample survey is usually preferred over a census? Explain briefly the following four sampling techniques. a. Simple random sampling b. Systematic random sampling c. Stratified random sampling d. Cluster sampling
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