QI: A rescarcher wants to know whether or not three drugs have different effects on knee pain, so he recruits 30 individuals who all experience similar knee pain and randomly splits them up into three groups to receive either Drug 1, Drug 2, or Drug 3. After one month of taking the drug, the researcher asks each individual to rate their knee pain on a scale of I to 100, with 100 indicating the most severe pain. The ratings for all 30 individuals are shown below: Drug 1 Drug 2 Drug 3 71 78 57 65 66 88 63 56 58 44 40 78 50 55 65 78 31 61 70 45 62 61 66 44 50 47 48 44 42 77 The researcher wants to know whether or not the three drugs have different effects on knee pain or not? Questions: Define and discuss your data? How you can study the differences between the factors? Define the related hypotheses. 1. 2. 3.
QI: A rescarcher wants to know whether or not three drugs have different effects on knee pain, so he recruits 30 individuals who all experience similar knee pain and randomly splits them up into three groups to receive either Drug 1, Drug 2, or Drug 3. After one month of taking the drug, the researcher asks each individual to rate their knee pain on a scale of I to 100, with 100 indicating the most severe pain. The ratings for all 30 individuals are shown below: Drug 1 Drug 2 Drug 3 71 78 57 65 66 88 63 56 58 44 40 78 50 55 65 78 31 61 70 45 62 61 66 44 50 47 48 44 42 77 The researcher wants to know whether or not the three drugs have different effects on knee pain or not? Questions: Define and discuss your data? How you can study the differences between the factors? Define the related hypotheses. 1. 2. 3.
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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