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MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question2: A consumer products company relies on direct mail marketing pieces as a major component of its advertising cam- paigns. The company has three different designs for a new brochure and wants to evaluate their effectiveness, as there are substantial differences in costs between the three designs. The company decides to test the three designs by mailing 5000 samples of each to potential customers in four different regions of the country. Since there are known regional differences in the customer base, regions are considered as blocks. The num- ber of responses to each mailing is as follows. Design 1 2 3 NE 250 400 275 NW 350 525 340 Region SE 219 390 200 SW 375 580 310 (a) Analyze the data from this experiment. (b) Use the Fisher LSD method to make comparisons among the three designs to determine specifically which designs differ in the mean response rate. (c) Analyze the residuals from this experiment. IP / V-O In the above question: (a) Determine the response variable, factors (kind of factor), level, number of treatments, number of replications, number of experiments. (b) Determine the type of design experiment. (c) Write the model of design experiment.
Transcribed Image Text:Question2: A consumer products company relies on direct mail marketing pieces as a major component of its advertising cam- paigns. The company has three different designs for a new brochure and wants to evaluate their effectiveness, as there are substantial differences in costs between the three designs. The company decides to test the three designs by mailing 5000 samples of each to potential customers in four different regions of the country. Since there are known regional differences in the customer base, regions are considered as blocks. The num- ber of responses to each mailing is as follows. Design 1 2 3 NE 250 400 275 NW 350 525 340 Region SE 219 390 200 SW 375 580 310 (a) Analyze the data from this experiment. (b) Use the Fisher LSD method to make comparisons among the three designs to determine specifically which designs differ in the mean response rate. (c) Analyze the residuals from this experiment. IP / V-O In the above question: (a) Determine the response variable, factors (kind of factor), level, number of treatments, number of replications, number of experiments. (b) Determine the type of design experiment. (c) Write the model of design experiment.
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