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Author Question: African Americans constitute what percentage of the U.S. population? a. 5 percent b. nearly 13 ... (Read 74 times)

oliviahorn72

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on: Jul 9, 2018
African Americans constitute what percentage of the U.S. population?
 
  a. 5 percent
  b. nearly 13 percent
  c. approximately 20 percent
 d. more than 25 percent

Question 2

What is the difference between random sampling and stratified sampling?
 
  a. Stratified sampling combines random selection with predetermined weighting of a population's demographic characteristics.
  b. Stratified sampling gives each member of a targeted population the same probability of being polled, whereas simple random sampling does not.
  c. Random sampling incorporates random selection into the polling procedure, whereas stratified sampling allows for self-selection.
 d. Stratified sampling relies on techniques to minimize bias, whereas simple random sampling does not.


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tsternbergh47

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Reply #1 on: Jul 9, 2018
Answer to Question 1

b

Answer to Question 2

a


oliviahorn72

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Reply 2 on: Jul 9, 2018
Great answer, keep it coming :)

ttt030911

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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