Mathematics, 27.02.2020 03:16 katie673
You are conducting a study of students doing work-study jobs on your campus. Among the questions on the survey instrument are the following. A. How many hours are you scheduled to work each week? Answer to the nearest hour. B. How applicable is this work experience to your future employment goals? Respond using the following scale: 1= not at all, 2 = somewhat, 3 = verya) Suppose you take random samples from the following groups: freshmen, sophomores, juniors, and seniors. What kind of sampling technique are you using (simple random, stratified, systematic, cluster, multistage, convenience)?
b) Describe the individuals of this study.
c) What is the variable for question A? Classify the variable as qualitative or quantitative. What is the level of the measurement?
d) What is the variable for question B? Classify the variable as qualitative or quantitative. What is the level of the measurement?
e) Is the proportion of responses "3=very" to question B a statistic or a parameter?
f) Suppose only 40% of the students you selected for the sample respond. What is the nonresponse rate? Do you think the nonresponse rate might introduce bias in to the study? Explain.
g) Would it be appropriate to generalize the results of your study to all work-study students in the nation? Explain.
Answers: 3
Mathematics, 21.06.2019 21:30, Reebear1447
Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches. approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *
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Mathematics, 21.06.2019 23:00, tonimgreen17p6vqjq
Which graph represents the linear function below? y-3=1/2(x+2)
Answers: 2
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