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Name: A math teacher has developed a new program to help high school student
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Description: A math teacher has developed a new program to help high school students prepare for the math SAT. A sample of 100 students enroll in the program. They take a math SAT exam before the program starts and again at the end to measure their improvement. T

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 math teacher has developed a new program to help high school students prepare for the math SAT. A sample of 100 students enroll in the program. They take a math SAT exam before the program starts and again at the end to measure their improvement. The mean number of points improved was ?̅ = 2.5 with ? = 10. Let ? be the population mean number of points improved. To determine whether the program is effective, a test is made of the hypotheses ??: ? = 0 versus ??: ? > 0. Perform the hypothesis test at ? = 0.05 showing all five of the important components.

(a) Is the result statistically significant?
(b) Is the result of practical significance? Explain.

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