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Description: Two random samples are selected from two independent populations. A summary of the samples sizes, sample means, and sample standard deviations is given below: n1=41,n2=40,x¯1=59.1,x¯2=72,s1=5.4s2=10.9 Find a 92% confidence interval for the difference

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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Two random samples are selected from two independent populations. A summary of the samples sizes, sample means, and sample standard deviations is given below:

n1=41,n2=40,x¯1=59.1,x¯2=72,s1=5.4s2=10.9

Find a 92% confidence interval for the difference μ1−μ2 of the means, assuming equal population variances.

Confidence Interval =

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