Answered: The average GPA for all college…

Name: The average GPA for all college students in the United States as of 20
Uploaded: 2024-03-20T07:07:12.000Z
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Description: The average GPA for all college students in the United States as of 2006 was 3.11. We want to test to see if the GPA of students at Texas A&M is higher than the national average. Suppose we survey 47 randomly selected students at Texas A&M and the av

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 average GPA for all college students in the United States as of 2006 was 3.11. We want to test to see if the GPA of students at Texas A&M is higher than the national average. Suppose we survey 47 randomly selected students at Texas A&M and the average GPA is 3.27, with a standard deviation of 0.54. Assuming all conditions are met, conduct a hypothesis test at the 0.01 significance level. What are the hypotheses?

?0:?¯=3.11;??:?¯>3.11

?0:?=3.11; ??:?=3.27

?0:?=3.27;??:?≠3.27

?0:?=3.11; ??:?>3.11

?0:?=3.11; ??:?=3.27

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