Answered: Formulate the null and alternative…

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 population mean annual salary for public school teachers is $42,250. A sample mean annual salary of public school teachers is $47,000. Assuming a sample size of 95 teachers with a standard deviation of $6300,

a. Formulate the null and alternative hypothesis that can be used to determine whether the sample data support the conclusion that the mean salary for teachers is greater than 2000 mean annual salary of $37,500?

b. What is the p-value?

c. Using a .05 level of significance, what would be your conclusion?

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