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A high school athletic director is asked if basketball players are doing as well academically as the other student athletes at his school. It was known from previous records that the average grade for the student athletes is 3.10. after an initiative to help improve the GPA of student athletes, the athletic director samples 20 basketball players and finds that the average GPA of the sample is 3.18 with a sample standard deviation of 0.54. Is there a significant improvement? Use a 0.05 significance level.

A high school athletic director is asked if basketball players are doing as well academically as the other student athletes at his school. It was known from previous records that the average grade for the student athletes is 3.10. after an initiative to help improve the GPA of student athletes, the athletic director samples 20 basketball players and finds that the average GPA of the sample is 3.18 with a sample standard deviation of 0.54. Is there a significant improvement? Use a 0.05 significance level.

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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A high school athletic director is asked if basketball players are doing as well academically as the other student athletes at his school. It was known from previous records that the average grade for the student athletes is 3.10. after an initiative to help improve the GPA of student athletes, the athletic director samples 20 basketball players and finds that the average GPA of the sample is 3.18 with a sample standard deviation of 0.54. Is there a significant improvement? Use a 0.05 significance level.
Transcribed Image Text:A high school athletic director is asked if basketball players are doing as well academically as the other student athletes at his school. It was known from previous records that the average grade for the student athletes is 3.10. after an initiative to help improve the GPA of student athletes, the athletic director samples 20 basketball players and finds that the average GPA of the sample is 3.18 with a sample standard deviation of 0.54. Is there a significant improvement? Use a 0.05 significance level.
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