354as1w11 - STAT 3504 Assignment 1 DUE: Monday, January 24...

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STAT 3504 Assignment 1 DUE: Monday, January 24 - in class For each of the problems #1 through #4, answer the following questions: a) What is the response variable? b) What is the study unit? c) Identify all factors and factor levels. d) If it is a multifactor study, list the treatments. e) Is the study experimental, observational or mixed? Why? Explain in terms of the factors. 1. In order to compare the average number of classes missed by professors in Engineering, Business and Arts, a university president collects data showing the number of absences over the past academic year for a random sample of 6 professors in Engineering, a random sample of 9 professors in Business, and a random sample of 8 professors in Arts. 2. In an experiment to investigate the effect of colour of paper (blue, green, orange) on response rates for questionnaires distributed by the "windshield" method in supermarket parking lots, 15 representative supermarket parking lots were chosen in a metropolitan area and each colour
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354as1w11 - STAT 3504 Assignment 1 DUE: Monday, January 24...

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