A manufacturer of metal plates makes two claims concerning the thickness of the plates they produce. The manufacturer claims that Statement a: The mean is 200mm Statement b : The variance is 1.5mm squared To investigate the second claim the thickness of a second sample of metal sheets was measured. The values found are listed in Part b with mm as unit. Set up the framework of an appropriate statistical test on Statement B Explain how knowing the sample variance before carrying out the test would influence the structure of the test.
A manufacturer of metal plates makes two claims concerning the thickness of the plates they produce. The manufacturer claims that Statement a: The mean is 200mm Statement b : The variance is 1.5mm squared To investigate the second claim the thickness of a second sample of metal sheets was measured. The values found are listed in Part b with mm as unit. Set up the framework of an appropriate statistical test on Statement B Explain how knowing the sample variance before carrying out the test would influence the structure of the test.
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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A manufacturer of metal plates makes two claims concerning the thickness of the plates they produce. The manufacturer claims that
Statement a: The mean is 200mm
Statement b : The variance is 1.5mm squared
To investigate the second claim the thickness of a second sample of metal sheets was measured. The values found are listed in Part b with mm as unit. Set up the framework of an appropriate statistical test on Statement B Explain how knowing the sample variance before carrying out the test would influence the structure of the test.
Transcribed Image Text:Part (a)
196.94 194.64
199.16 193.35
197.88 191.80 194.86 204.20 204.10 205.38
196.92 192.81
198.85 194.88
196.71 197.02
195.98 197.56
195.49 201.41 204.66 201.14
196.03 202.80 205.41 203.22
197.05 205.76 202.28 205.14
196.62 204.24 201.13 203.19
198.77 206.48 203.33 205.40
199.10 204.42 201.74 204.45
Part (b)
196.52 197.81 199.80 202.24 202.36 202.66
196.76 195.65 200.36 202.52 200.36 200.65
198.81 200.80 203.24 203.36 203.66 197.76
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