Test 3 Material - population) Sampling-1000-1500 people is...

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Test 3 Material 3/7/08 Public Opinion - Public opinion o Populations beliefs on matter - How do we know what people think and do we ask everyone? o We don’t ask everyone but we take a sample ( a small group of people that when asked, their numbers should look like the larger
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Unformatted text preview: population) Sampling-1000-1500 people is the magic voodoo number for sampling-Random Sampling o Is the principle that everyone should have equal probability for being selected.-Sampling error o You can never be sure if it is totally random-Sampling bias-...
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