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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Question

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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