Supplier Component Defective 15 20 40 Good 485 480 460 a. Formulate the hypotheses that can be used to test for equal proportions of defective components provided by the three suppliers. b. Using a .05 level of significance, conduct the hypothesis test. What is the p-value and what is your conclusion? Conduct a multiple comparison test to determine whether there is an overall best supplier or if one supplier can be eliminated because of poor quality. с.
Supplier Component Defective 15 20 40 Good 485 480 460 a. Formulate the hypotheses that can be used to test for equal proportions of defective components provided by the three suppliers. b. Using a .05 level of significance, conduct the hypothesis test. What is the p-value and what is your conclusion? Conduct a multiple comparison test to determine whether there is an overall best supplier or if one supplier can be eliminated because of poor quality. с.
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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Transcribed Image Text:proportion of late flights for the three airlines?
20.
Benson Manufacturing is considering ordering electronic components from three different
suppliers. The suppliers may differ in terms of quality in that the proportion or percentage of
defective components may differ among the suppliers. To evaluate the proportion of defective
components for the suppliers, Benson has requested a sample shipment of 500 components
from each supplier. The number of defective components and the number of good comp0-
nents found in each shipment are as follows.
Ftest
Supplier
Component
A
B.
C.
Defective
15
20
40
Good
485
480
460
a.
Formulate the hypotheses that can be used to test for equal proportions of defective
components provided by the three suppliers.
b. Using a .05 level of significance, conduct the hypothesis test. What is the p-value and
what is your conclusion?
Conduct a multiple comparison test to determine whether there is an overall best
supplier or if one supplier can be eliminated because of
с.
poor quality.
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