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Amine6666 Amine6666
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6 years ago
To obtain samples of the same size from strata of varying sizes, it would be necessary to use
 
  A) simple random sampling.
 B)systematic sampling.
 C)proportionate sampling.
 D) disproportionate sampling.
 E) quota sampling.


The unit about which information is collected and which provides the basis of analysis is called
 
  A) universe.
 B)sampling unit.
 C)unit of analysis.
 D) sampling frame.
 E) element.


Which of the following statements is true about probability samples?
 
  A) They avoid conscious and unconscious sampling bias.
 B)They do NOT permit the estimation of the accuracy or representativeness of the sample.
 C)They are perfectly representative of the population from which they are drawn.
 D) They are more risky than non-probability samples.
 E) a and b only are correct.
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kipouykipouy
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