Answered: Assume the assumptions for the tests…

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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Assume the assumptions for the tests are met and conduct both the sign test and Wilcoxon Signed-Rank test. State your conclusion for the two tests (sign and Wilcoxon) in terms of the problems.

If a new process for mining copper is to be put into a full-time operation, it must produce an average of more than 50 tons of ore per day. A 15-day trial period gave the results shown in the accompanying table. Is there significant evidence that on a typical day the mine produces more than 50 tons of ore? Test by using a = .05.

Day
1
3
4
5
6.
7
8
9.
10
11
12
13
14
15
Yield (tons)
57.8
58.3
50.3
38.5
47.9 157.0
38.6 140.2
39.3 138.7
49.2 139.7
48.3
59.2
49.7

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