The null and alternate hypotheses are: H0 : μ1 = μ2H1 : μ1 ≠ μ2 A random sample of 10 observations from one population revealed a sample mean of 23 and a sample standard deviation of 4. A random sample of 8 observations from another population revealed a sample mean of 26 and a sample standard deviation of 5. At the 0.05 significance level, is there a difference between the population means? State the decision rule. (Negative values should be indicated by a minus sign. Round your answers to 3 decimal places.) Compute the pooled estimate of the population variance. (Round your answer to 3 decimal places.) Compute the test statistic. (Negative values should be indicated by a minus sign. Round your answer to 3 decimal places.) State your decision about the null hypothesis. multiple choice 1Reject H0.Do not reject H0. The p-value is multiple choice 2between 0.1 and 0.2.less than 0.001.between 0.01 and 0.05.between 0.001 and 0.01.between 0.05 and 0.1.

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Description: The null and alternate hypotheses are: H0 : μ1 = μ2H1 : μ1 ≠ μ2 A random sample of 10 observations from one population revealed a sample mean of 23 and a sample standard deviation of 4. A random sample of 8 observations from another population reveal

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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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The null and alternate hypotheses are:

H₀ : μ₁ = μ₂
H₁ : μ₁ ≠ μ₂

A random sample of 10 observations from one population revealed a sample mean of 23 and a sample standard deviation of 4. A random sample of 8 observations from another population revealed a sample mean of 26 and a sample standard deviation of 5.

At the 0.05 significance level, is there a difference between the population means?

State the decision rule. (Negative values should be indicated by a minus sign. Round your answers to 3 decimal places.)

Compute the pooled estimate of the population variance. (Round your answer to 3 decimal places.)

Compute the test statistic. (Negative values should be indicated by a minus sign. Round your answer to 3 decimal places.)

State your decision about the null hypothesis.

multiple choice 1

Reject H₀.
Do not reject H₀.

The p-value is

multiple choice 2

between 0.1 and 0.2.
less than 0.001.
between 0.01 and 0.05.
between 0.001 and 0.01.
between 0.05 and 0.1.

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