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A random sample of size n1 = 25, taken from a normal population with a standard deviation 01 = 5.0, has a mean of x = 83. A second random sample of size n2 = 36, taken from a different normal population with a standard deviation o2 = 3.6, has a mean X, = 88. a) Test the hypothesis that µ1=µ2 using a 0.01 significance level. b) What is the p-value of the test statistic? c) Develop the appropriate confidence interval.

A random sample of size n1 = 25, taken from a normal population with a standard deviation 01 = 5.0, has a mean of x = 83. A second random sample of size n2 = 36, taken from a different normal population with a standard deviation o2 = 3.6, has a mean X, = 88. a) Test the hypothesis that µ1=µ2 using a 0.01 significance level. b) What is the p-value of the test statistic? c) Develop the appropriate confidence interval.

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
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2. A random sample of size n1 = 25, taken from a normal population with a standard deviation o, = 5.0, has a mean of x1 = 83. A second random sample of size n2 = 36, taken from a different normal population with a standard deviation o2 = 3.6, has a mean x, = 88. a) Test the hypothesis that µ1=µ2 using a 0.01 significance level. b) What is the p-value of the test statistic? c) Develop the appropriate confidence interval.
Transcribed Image Text:2. A random sample of size n1 = 25, taken from a normal population with a standard deviation o, = 5.0, has a mean of x1 = 83. A second random sample of size n2 = 36, taken from a different normal population with a standard deviation o2 = 3.6, has a mean x, = 88. a) Test the hypothesis that µ1=µ2 using a 0.01 significance level. b) What is the p-value of the test statistic? c) Develop the appropriate confidence interval.
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