Researchers want to determine which cold remedy is most effect cold symptoms. They are considering three methods of gathering data: Method A: Researchers give cold remedy A or cold remedy B to people with colds and then observe the duration of the cold symptoms exhibited by each group.
Researchers want to determine which cold remedy is most effect cold symptoms. They are considering three methods of gathering data: Method A: Researchers give cold remedy A or cold remedy B to people with colds and then observe the duration of the cold symptoms exhibited by each group.
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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Transcribed Image Text:Researchers want to determine which cold remedy is most effective at controlling
cold symptoms. They are considering three methods of gathering data:
Method A: Researchers give cold remedy A or cold remedy B to people with colds
and then observe the duration of the cold symptoms exhibited by each group.
Method B: Researchers observe the cold symptoms exhibited by people with colds
who choose to take cold remedy A and people with colds who choose to take cold
remedy B.
Method C: Researchers ask people with colds if they feel better after taking cold
remedy A or cold remedy B.
Tell whether each method of gathering data is a survey, an observational study, or an
experiment. Which option would give the most reliable results?
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