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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 company claims that a vitamin supplement decreases the recovery time from a common cold. A researcher selected randomly 70 adults with a cold. 35 of those were randomly selected to receive the vitamin. The data on the recovery time are shown below. Test the claim of the company at (6) a = 0.05 . Population Sample size Sample mean Sample standard deviation 1- No vitamin 2- vitamin 35 35 6.9 5.8 2.9 1.2
Transcribed Image Text:A company claims that a vitamin supplement decreases the recovery time from a common cold. A researcher selected randomly 70 adults with a cold. 35 of those were randomly selected to receive the vitamin. The data on the recovery time are shown below. Test the claim of the company at (6) a = 0.05 . Population Sample size Sample mean Sample standard deviation 1- No vitamin 2- vitamin 35 35 6.9 5.8 2.9 1.2
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