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costfrost costfrost
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Posts: 775
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6 years ago
Which of the following are true with respect to representativeness?
 
  a. a sample represents a population's if it is exactly the same on all relevant variables
  b. a sample is representative if it approximates the population
  c. a sample needs to be representative of the population on all variables
  d. a representative sample is only obtained when a simple random sample is used
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6 years ago
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