Answered: The national mean annual salary for a…

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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Transcribed Image Text:H ti #6 H • E eBook The national mean annual salary for a school administrator is $90,000 a year. A school official took a sample of 25 school administrators in the state of Ohio to learn about salaries in that state to see if they differed from the national average. O Click on the datafile logo to reference the data. DATA file (a) Choose the hypotheses that can be used to determine whether the population mean annual administrator salary in Ohio differs from the national mean of $90,000. Mo: 90,000 Ha: # 90,000 (b) The sample data for 25 Ohio administrators is contained in the file named Administrator. What is the p value for your hypothesis test in part (a)? If required, round your answer to four decimal places. Do not round your intermediate calculations. (c) At a 0.05, can your null hypothesis be rejected? Yes What is your conclusion? There is sufficient evidence to conclude that the national mean annual salary for a school administrator in the state of Ohio differs from the national average. O