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8. The variability of sizes of the batch of screws were studied by the company owner. They took a sample of 20 screw and found out that the deviation, s2 = 0.0153 mm2. The variation should only to be under #0.1mm2 to prevent reworks. At 5% CI, conduct hypothesis testing. %3D

8. The variability of sizes of the batch of screws were studied by the company owner. They took a sample of 20 screw and found out that the deviation, s2 = 0.0153 mm2. The variation should only to be under #0.1mm2 to prevent reworks. At 5% CI, conduct hypothesis testing. %3D

MATLAB: An Introduction with Applications
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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8. The variability of sizes of the batch of screws were studied by the company owner. They took a sample of 20 screw and found out that the deviation, s? = 0.0153 mm?. The variation should only to be under +0.1mm2 to prevent reworks. At 5% CI, conduct hypothesis testing.
Transcribed Image Text:8. The variability of sizes of the batch of screws were studied by the company owner. They took a sample of 20 screw and found out that the deviation, s? = 0.0153 mm?. The variation should only to be under +0.1mm2 to prevent reworks. At 5% CI, conduct hypothesis testing.
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