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Description: A sample of 40 observations is selected from one population with a population standard deviation of 5. The sample mean is 102. A sample of 50 observations is selected from a second population with a population standard deviation of 6. The sample mean

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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A sample of 40 observations is selected from one population with a population standard deviation of 5. The sample mean is 102. A sample of 50 observations is selected from a second population with a population standard deviation of 6. The sample mean is 99. Conduct the following test of hypothesis using the 0.04 significance level.

H₀ : μ₁ = μ₂

H₁ : μ₁ ≠ μ₂

Is this a one-tailed or a two-tailed test?

multiple choice 1

One-tailed test
Two-tailed test Correct

State the decision rule. (Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.)(on what interval)

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