Mathematics, 18.02.2020 17:21, adamgala3885
You are conducting a study of students doing work-study jobs on your campus. Among the questions on the survey instrument are:.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 17:30, nae9587
Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label
Answers: 1
Mathematics, 21.06.2019 19:00, daisyperez1
1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?
Answers: 1
Mathematics, 21.06.2019 21:30, BARRION1981
Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?
Answers: 1
You are conducting a study of students doing work-study jobs on your campus. Among the questions on...
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