A sample of 37 observations is selected from a normal population. The sample mean is 21, and the population standard deviation is 3. Conduct the following test of hypothesis using the 0.02 significance level. H0: μ ≤ 20H1: μ > 20 Is this a one- or two-tailed test? multiple choice 1One-tailed testTwo-tailed test What is the decision rule? multiple choice 2Reject H0 when z > 2.054Reject H0 when z ≤ 2.054 What is the value of the test statistic? (Round your answer to 2 decimal places.) What is your decision regarding H0? multiple choice 3Fail to reject H0Reject H0 e-1. What is the p-value? (Round your answer to 4 decimal places.) e-2. Interpret the p-value? (Round your final answer to 2 decimal places.)

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Description: A sample of 37 observations is selected from a normal population. The sample mean is 21, and the population standard deviation is 3. Conduct the following test of hypothesis using the 0.02 significance level. H0: μ ≤ 20H1: μ > 20 Is this a one- or tw

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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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A sample of 37 observations is selected from a normal population. The sample mean is 21, and the population standard deviation is 3. Conduct the following test of hypothesis using the 0.02 significance level.

H₀: μ ≤ 20

H₁: μ > 20

Is this a one- or two-tailed test?

multiple choice 1

One-tailed test
Two-tailed test

What is the decision rule?

multiple choice 2

Reject H₀ when z > 2.054
Reject H₀ when z ≤ 2.054

What is the value of the test statistic? (Round your answer to 2 decimal places.)

What is your decision regarding H₀?

multiple choice 3

Fail to reject H₀
Reject H₀

e-1. What is the p-value? (Round your answer to 4 decimal places.)

e-2. Interpret the p-value? (Round your final answer to 2 decimal places.)

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