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#1 Suppose the following information is collected from Robert on his application for a loan. a. Insurance payments of$375 b. Number of children 1 c.
#1 Suppose the following information is collected from Robert on his application for a loan. a. Insurance payments of$375 b. Number of children 1 c. State currently living in Georgia d.Mortgage principal $ 161 comma 744 Classify each of the responses by type of data and level of measurement. a. Insurance payments of $375is what type of variable? A. Categorical, ordinal B. Numerical, continuous, ratio C. Numerical, discrete, interval D. Numerical, continuous, interval E. Numerical, discrete, ratio F. Categorical, nominal b. The number of children is what type of variable? A. Numerical, discrete, ratio B. Categorical, nominal C. Numerical, discrete, interval D. Categorical, ordinal E. Numerical, continuous, interval F. Numerical, continuous, ratio C. State currently living in is what type of variable? A Categorical, ordinal B. Numerical, discrete, ratio C. Numerical, discrete, interval D. Categorical, nominal E. Numerical, continuous, ratio F. Numerical, continuous, interval d. The mortgage principal is what type of variable? A. Categorical, ordinal B. Categorical comma nominal C. Numerical, discrete, ratio D. Numerical, continuous, interval E. Numerical comma continuous comma ratio F. Numerical, discrete, interval #2: The registrar of a college with a population of N = 3,800 students is asked by the president to conduct a survey to measure satisfaction with the quality of life on campus. The accompanying table contains a breakdown of the 3,800 registered students, by gender and class designation. The registrar intends to take a probability sample of n= 200 students and project the results from the sample to the entire population of full-time students. Complete parts (a) through (d). GenderFr. So. Jr. Sr. Total Female499 450 427 538 1,914 Male 413 480 506 487 1,886 Total 912 930 933 1,025 3,800 a. Suppose the frame available from the registrar's files is an alphabetical listing of the names of all N=3,800registered students. Note that a simple random sample, a systematic sample, a stratified sample, or a cluster sample could be taken. What is the advantage of selecting a simple random sample? A. It is the method that is most likely to give a true representative sample. B. It requires the least amount of time and effort. Thus, it is also the cheapest. C. It is the easiest to select by hand from the registrar's file of 3,800 names. D. It is one of the simplest to select since the population frame is the file of 3,800 names. b. If the frame is the same as in (a), what is the advantage of selecting a systematic sample? A. It is the method that is most likely to give a true representative sample. B. It requires the least amount of time and effort. Thus, it is also the cheapest. C. It is the easiest to select by hand from the registrar's file of 3, 800 names. D. The percentages of males and females in the sample will approximately match the population, as well as the percentages of the different class designations. c. If the frame available from the registrar's files is a listing of the names of all Nequals 3,800 registered students compiled from eight separate alphabetical lists, based on the gender and class designation breakdowns shown in the class designation table, what type of sample should you take? A. A systematic sample B. A simple random sample C. A stratified sample D. A cluster sample d. Suppose that each of the N=3, 800 registered students lived in one of the 10 campus dormitories. Each dormitory accommodates 380 students. It is college policy to fully integrate students by gender and class designation in each dormitory. If the registrar is able to compile a listing of all students by dormitory, what type of sample should you take? A. A stratified sample B. A simple random sample C. A cluster sample D. A systematic sample
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