Answered: A random sample of n1 = 49…

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

A random sample of

n₁ = 49

measurements from a population with population standard deviation

σ₁ = 3

had a sample mean of

x₁ = 10.

An independent random sample of

n₂ = 64

measurements from a second population with population standard deviation

σ₂ = 4

had a sample mean of

x₂ = 12.

Test the claim that the population means are different. Use level of significance 0.01.

x₁ − x₂.

x₁ − x₂ =

Compute the corresponding sample distribution value. (Test the difference μ₁ − μ₂. Round your answer to two decimal places.)

(d) Find the P-value of the sample test statistic. (Round your answer to four decimal places.)

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