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Description: a sample of 35 students enroll in a program that claims to improve scores on the quantitative reasoning portion of the graduate record examination (GRE). the participants take a mock GRE test before the program begins and again at the end to measure

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 sample of 35 students enroll in a program that claims to improve scores on the quantitative reasoning portion of the graduate record examination (GRE). the participants take a mock GRE test before the program begins and again at the end to measure their own improvement. the mean number of points improved was x̄ = 10. Assume the standard deviation is σ = 46 and let μ be the population mean number of points improved. to determine whether the program is effective, a test is made of the hypotheses H₀: μ = 0 versus H₁: μ > 0. compute the P-value.

A). 0.0496 B).0.0992 C). 0.0248

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