Two samples are taken with the following sample means, sizes, and standard deviations ¯x¯1 = 30 ¯x2 = 32 n1 = 49 n2 = 70 s1 = 2 s2 = 4 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.

Two samples are taken with the following sample means, sizes, and standard deviations ¯x¯1 = 30 ¯x2 = 32 n1 = 49 n2 = 70 s1 = 2 s2 = 4 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.

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
¯x¯1 = 30 ¯x2 = 32
n1 = 49 n2 = 70
s1 = 2 s2 = 4

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.

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