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chosen at random, 500 rural and 500 urban people at age 65 or older are asked about their health and experience with prescription drugs. what can be bias?
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Jan 2, 2017
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chosen at random, 500 rural and 500 urban people at age 65 or older are asked about their health and experience with prescription drugs. what can be bias?
Mathematics
high-school
Burak Tokak
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The people are old so they will have health problems if you want everybody's experience include everyone
VirtualScooter
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Jan 8, 2017
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