document.write( "Question 660863: Identify the sampling technique used to obtain this sample:
\n" ); document.write( "A group of 240 adults are given numbers from 1-40. A ball is thrown onto a roulette wheel; those people with numbers matching the pocket in which the ball stops are selected for jury duty
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Algebra.Com's Answer #411388 by math-vortex(648)\"\" \"About 
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\n" ); document.write( "I would say that this is systematic random sampling because they rank the members of the population by number, then randomly choose a number.\r
\n" ); document.write( "\n" ); document.write( "It's similar to stratified sampling, but the grouping is artificial (a number), not based on an attribute of interest in the study.\r
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