A test is made of Ho: H =30 versus H, M30A sample of size n= 45 is drawn, and x = 26. The population standard deviation is=9. Answer the following. A test is made of H: p= 30 versus H,: p< 30. A sample of size n =45 is drawn, and x =26. The population standard deviation iso =9.(a) Compute the value of the test statistic z.(b) Is H, rejected at the a=0.05 level?(c) Is H, rejected at the a=0.01 level?

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A test is made of H: µ = 30 versus H,: µ<30. A sample of size n=45 is drawn, and x = 26. The population standard deviation is o =9. (a) Compute the value of the test statistic z. (b) Is H, rejected at the a=0.05 level? (c) Is H, rejected at the a= 0.01 level?

A test is made of H: µ = 30 versus H,: µ<30. A sample of size n=45 is drawn, and x = 26. The population standard deviation is o =9. (a) Compute the value of the test statistic z. (b) Is H, rejected at the a=0.05 level? (c) Is H, rejected at the a= 0.01 level?

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 test is made of Ho: H =30 versus H, M 30 A sample of size n= 45 is drawn, and x = 26. The population standard deviation is =9. Answer the following.

A test is made of H: p= 30 versus H,: p< 30. A sample of size n =45 is drawn, and x =26. The population standard deviation is
o =9.
(a) Compute the value of the test statistic z.
(b) Is H, rejected at the a=0.05 level?
(c) Is H, rejected at the a=0.01 level?

Definition Definition Number of subjects or observations included in a study. A large sample size typically provides more reliable results and better representation of the population. As sample size and width of confidence interval are inversely related, if the sample size is increased, the width of the confidence interval decreases.

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