Answered: The president of a university believes…

Name: The president of a university believes the entering class this year ha
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Description: The president of a university believes the entering class this year has an average ACT score different than previous years. The average ACT score previously had been 23. He took a sample of 100 students from this year’s entering class and found the

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 president of a university believes the entering class this year has an average ACT score different than previous years. The average ACT score previously had been 23. He took a sample of 100 students from this year’s entering class and found their sample mean ACT score is 24 with a sample standard deviation of 6. Is there evidence the population mean ACT score is different from 23 at the 0.01 significance level?

What is your statistical conclusion if you conduct the appropriate test at a 0.01 significance level?

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