MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Given two independent random samples with the following results:

n1=10x‾1=161s1=26n1=10x‾1=161s1=26   n2=18x‾2=131s2=23n2=18x‾2=131s2=23

Use this data to find the 98%98% confidence interval for the true difference between the population means. Assume that the population variances are equal and that the two populations are normally distributed.

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Step 1 of 3 :  

Find the point estimate that should be used in constructing the confidence interval.

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