Answered: Phase 1 The computer operations…

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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Phase 1 The computer operations department had a business objective of reducing the amount of time to fully update each subscriber’s set of messages in a special secured e-mail system. An experiment was conducted in which 24 subscribers were selected and three different messaging systems were used. Eight subscribers were assigned to each system, and the update times were measured. The results are presented in Table AMS11.1. Analyze the data in Table AMS11.1 and write a report to the computer operations department that indicates your findings. Include an appendix in which you discuss the reason you selected a particular statistical test to compare the three e-mail interfaces. Also, please answer the following questions:” 1. What is the null and alternate hypothesis of the problem? 2. Please compute test statistics using one way anova using excel. 3. Make decision and state the conclusion.

TABLE AMS11.1
Update Times for Three Different Systems
System1
System2
System3
38.8
41.8
32.9
42.1
36.4
36.1
45.2
39.1
39.2
34.8
28.7
29.3
48.3
36.4
36.1
41.9
31.7
37.8
41.1
35.8
35.2
43.6
33.7
38.1

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