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Author Question: When the population is divided into mutually exclusive sets, and then a simple random sample is ... (Read 137 times)

Shelles

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on: Jun 24, 2018
When the population is divided into mutually exclusive sets, and then a simple random sample is drawn from each set, this is called:
 a. simple random sampling.
  b. stratified random sampling.
  c. cluster sampling.
  d. selection bias.

Question 2

A pharmaceutical company interested in measuring how often physicians prescribe a certain drug has selected a simple random sample from each of two groups: M.D. (Medical Doctors) and D.O. (Osteopaths). What is this type of sampling called?
 a. Simple random sampling.
  b. Cluster sampling.
  c. Stratified random sampling.
  d. None of these choices.


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ilianabrrr

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Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

C


Shelles

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Reply 2 on: Jun 24, 2018
:D TYSM

Viet Thy

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Reply 3 on: Yesterday
Excellent

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