document.write( "Question 363849: Find the technique for gathering data in the study here.
\n" ); document.write( "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.\r
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\n" ); document.write( "\n" ); document.write( " observational study
\n" ); document.write( " experiment
\n" ); document.write( " sampling
\n" ); document.write( " simulation
\n" ); document.write( " census
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Algebra.Com's Answer #259562 by SadieKhan(31)\"\" \"About 
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As an experiment is done on the sheep and then studied the effect, hence it is an experimental technique. \n" ); document.write( "
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