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survey of 120 North Carolinians, you find that the sample shows a mean of $51,203 w a standard deviation of $2,409. With a significance level of 0.01, conduct a hypothesi test to test the claim that the average salary of all North Carolinians is greater than $50,781. (Be sure to show all steps of the hypothesis test)

survey of 120 North Carolinians, you find that the sample shows a mean of $51,203 w a standard deviation of $2,409. With a significance level of 0.01, conduct a hypothesi test to test the claim that the average salary of all North Carolinians is greater than $50,781. (Be sure to show all steps of the hypothesis test)

MATLAB: An Introduction with Applications
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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7. The average salary of North Carolina is reported to be $50,781. After completing a survey of 120 North Carolinians, you find that the sample shows a mean of $51,203 with a standard deviation of $2,409. With a significance level of 0.01, conduct a hypothesis test to test the claim that the average salary of all North Carolinians is greater than $50,781. (Be sure to show all steps of the hypothesis test)
Transcribed Image Text:7. The average salary of North Carolina is reported to be $50,781. After completing a survey of 120 North Carolinians, you find that the sample shows a mean of $51,203 with a standard deviation of $2,409. With a significance level of 0.01, conduct a hypothesis test to test the claim that the average salary of all North Carolinians is greater than $50,781. (Be sure to show all steps of the hypothesis test)
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