Which technique for gathering data (observational study or experiment) do you think was used in the following study?
Which technique for gathering data (observational study or experiment) do you think was used in the following study?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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Which technique for gathering data (observational study or experiment) do you think was used in the following study?
The Colorado Division of Wildlife caught 41 bighorn sheep on Mt. Evans and gave each one an injection to prevent heartworm. A year later, 38 of these sheep did not have heartworm, while the other three did.
A. This is an observational study because a treatment was deliberately imposed on the individuals in order to observe a possible change in the response or variable being measured.
B. This is an experiment because a treatment was deliberately imposed on the individuals in order to observe a possible change in the response or variable being measured.
C. This is an observational study because observations and measurements of individuals are conducted in a way that doesn't change the response or the variable being measured.
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we are told that 41 bighorn we caught and they were injected.
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