A chemist wishes to test the effect of four chemical agents on the strength of a particular type of cloth. He suspects that different bolts have an effect on the strength of the cloth. In this study, he considered five bolts. For each bolt, four chemical agents are applied randomly to each sample cloth. The following data are obtained; Chemical Bolt 2. 3. 4 5_ 1 73 73 68 74 71 67 68 75 72 70 75 68 78 73 68 73 71 75 75 69 Test the hypothesis whether there is a significant difference between the strength of cloth for the four chemical agents? (a = 0.05) Use Duncan test if necessary (a = 0.05) Estimate 95% confidence interval for the strength of the fourth chemical agent. Obtain the 95% confidence interval for L = µ2 - µ3 а) b) c) d) - NM 4

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Topic Video
Question
A chemist wishes to test the effect of four chemical agents on the strength of a particular
type of cloth. He suspects that different bolts have an effect on the strength of the cloth.
In this study, he considered five bolts. For each bolt, four chemical agents are applied
randomly to each sample cloth. The following data are obtained;
Chemical
Bolt
2.
68
3_
4
71
5_
1
73
74
67
2
73
68
75
72
70
3
75
68
78
73
68
73
71
75
75
69
Test the hypothesis whether there is a significant difference between the strength
of cloth for the four chemical agents? (a = 0.05)
Use Duncan test if necessary (a = 0.05)
Estimate 95% confidence interval for the strength of the fourth chemical agent.
Obtain the 95% confidence interval for L = µ2 - µ3
a)
b)
c)
d)
2)
Transcribed Image Text:A chemist wishes to test the effect of four chemical agents on the strength of a particular type of cloth. He suspects that different bolts have an effect on the strength of the cloth. In this study, he considered five bolts. For each bolt, four chemical agents are applied randomly to each sample cloth. The following data are obtained; Chemical Bolt 2. 68 3_ 4 71 5_ 1 73 74 67 2 73 68 75 72 70 3 75 68 78 73 68 73 71 75 75 69 Test the hypothesis whether there is a significant difference between the strength of cloth for the four chemical agents? (a = 0.05) Use Duncan test if necessary (a = 0.05) Estimate 95% confidence interval for the strength of the fourth chemical agent. Obtain the 95% confidence interval for L = µ2 - µ3 a) b) c) d) 2)
Expert Solution
steps

Step by step

Solved in 2 steps with 4 images

Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Proportions
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman