Author Question: Dividing the population into subgroups and then sampling from one or more subgroups best describes: ... (Read 104 times)

Bernana

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Dividing the population into subgroups and then sampling from one or more subgroups best
  describes:
 
  A) random sampling without replacement
  B) random sampling with replacement
  C) sampling
  D) stratified random sampling

Question 2

You are attempting to form a random sample for a study on caffeine consumption and anxiety.
  You want to make sure you get a representative sample of the entire U.S.
 
  population so you
  randomly draw participants from specific regions of the country, such as 10 participants from
  California, 10 from Texas, and so on. What technique are you using?
  A) random sampling with replacement
  B) sampling
  C) random sampling without replacement
  D) stratified random sampling



randomguy133

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Answer to Question 1

D

Answer to Question 2

D



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