A random sample of 8 E-glass fiber specimens yielded a mean interfacial shear yield stress of 30.2 with a standard deviation of 3.1. You may assume interfacial yield stresses are normally distributed. (a) Compute a 90% confidence interval for the population mean interfacial yield stress. (b) Test the hypotheses H0 : µ = 31 vs Ha : µ 6= 31 at α = .10,
A random sample of 8 E-glass fiber specimens yielded a mean interfacial shear yield stress of 30.2 with a standard deviation of 3.1. You may assume interfacial yield stresses are normally distributed. (a) Compute a 90% confidence interval for the population mean interfacial yield stress. (b) Test the hypotheses H0 : µ = 31 vs Ha : µ 6= 31 at α = .10,
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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A random sample of 8 E-glass fiber specimens yielded a mean
interfacial shear yield stress of 30.2 with a standard deviation of 3.1. You may assume
interfacial yield stresses are
(a) Compute a 90% confidence interval for the population mean interfacial yield
stress.
(b) Test the hypotheses H0 : µ = 31 vs Ha : µ 6= 31 at α = .10,
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