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Author Question: The advantages of stratified over simple random sampling include stratified sampling a. ensures ... (Read 210 times)

bucstennis@aim.com

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on: Jun 29, 2018
The advantages of stratified over simple random sampling include stratified sampling
 a. ensures adequate representation from each stratum of interest.
  b. can produce more precise sample statistics.
  c. allows for the comparison of variables between strata.
  d. Both b and c.
  e. All of the above.

Question 2

A researcher divides the population of the purchasers of Brand X into heavy and light users. He then chooses a random sample independently from each group. This is an example of __________ sampling.
 a. nonprobability
  b. random
  c. judgmental
  d. stratified
  e. quota


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mochi09

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Reply #1 on: Jun 29, 2018
Answer to Question 1

E

Answer to Question 2

D


bucstennis@aim.com

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  • Posts: 532
Reply 2 on: Jun 29, 2018
Excellent

epscape

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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