Two samples are taken with the following sample means, sizes, and standard deviations ¯x1 = 22 ; x¯2 = 36 n1 = 47 ; n2 = 57 s1= 2 ; s2= 5 Estimate the difference in population means using a 99% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. ________< μ1−μ2 < ______
Two samples are taken with the following sample means, sizes, and standard deviations ¯x1 = 22 ; x¯2 = 36 n1 = 47 ; n2 = 57 s1= 2 ; s2= 5 Estimate the difference in population means using a 99% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. ________< μ1−μ2 < ______
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 samples are taken with the following sample means, sizes, and standard deviations
¯x1 = 22 ; x¯2 = 36
n1 = 47 ; n2 = 57
s1= 2 ; s2= 5
Estimate the difference in population means using a 99% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth.
________< μ1−μ2 < ______
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