What type of hypothesis testing should be used? * O Chi-square Goodness of Fit Test O Chi-square Test on Independence 5 What are the null and alternative hypothesis? * HO: The presence of particles does not affect the quality of the wafers; H1: The presence of particles does affect the quality of the wafers HO: The presence of particles does affect the quality of the wafers; H1: The presence of particles does not affect the quality of the wafers What are the significance level and the type of test? * Da = 0.05, Right-tailed ) α-05, left-tailed a = 0.05, two-tailed
What type of hypothesis testing should be used? * O Chi-square Goodness of Fit Test O Chi-square Test on Independence 5 What are the null and alternative hypothesis? * HO: The presence of particles does not affect the quality of the wafers; H1: The presence of particles does affect the quality of the wafers HO: The presence of particles does affect the quality of the wafers; H1: The presence of particles does not affect the quality of the wafers What are the significance level and the type of test? * Da = 0.05, Right-tailed ) α-05, left-tailed a = 0.05, two-tailed
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
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Transcribed Image Text:What type of hypothesis testing should be used? *
O Chi-square Goodness of Fit Test
O chi-square Test on Independence
5
What are the null and alternative hypothesis? *
HO: The presence of particles does not affect the quality of the wafers; H1: The presence of particles does affect
the quality of the wafers
HO: The presence of particles does affect the quality of the wafers; H1: The presence of particles does not affect
the quality of the wafers
6
What are the significance level and the type of test? *
O a = 0.05, Right-tailed
O a = 0.05, left-tailed
O a = 0.05, two-tailed
Transcribed Image Text:CASELET 1
The results of a study conducted as part of a yield-improvement effort at a semiconductor manufacturing
facility provided defect data for a sample of 450 wafers. The following contingency table presents a
summary of the responses to two questions: "Was a particle found on the die that produced the wafer?"
and "Is the wafer good or bad?" Use an alpha of 0.05.
Quality of Wafer
Bad
Particles
Good
Totals
Yes
14
36
50
No
320
80
400
Totals
334
116
450
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