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Author Question: A researcher plans to utilize a systematic random sampling method from a population of 5000 eligible ... (Read 95 times)

chads108

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on: Jul 8, 2018
A researcher plans to utilize a systematic random sampling method from a population of 5000 eligible subjects, using a sample of 200 subjects. Beginning at a randomly selected point on the list of subjects, what is the gap between elements?
 
  a. 25
  b. 50
  c. 100
  d. 200

Question 2

A researcher who wishes to study the effects of a prenatal breastfeeding education program on the length of time African-American inner-city women breastfeed infants learns that 70 of women in the target population are unmarried.
 
  To achieve stratified random sampling in a sample of 50 subjects, the researcher will:
  a. conduct the study using unmarried subjects only.
  b. randomly assign all subjects to control versus experimental groups.
  c. select a random sample of 35 unmarried and 15 married subjects.
  d. select 25 subjects who are married and 25 who are not married.


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LP

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Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: A

Answer to Question 2

ANS: C


chads108

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Reply 2 on: Jul 8, 2018
Thanks for the timely response, appreciate it

lcapri7

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

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