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Author Question: Selecting a subset of clusters and then selecting a sample of elements in each of those clusters is ... (Read 74 times)

serike

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Selecting a subset of clusters and then selecting a sample of elements in each of those clusters is referred to as _____cluster sampling.
 a. stratified
  b. convenient
  c. single-stage
  d. two-stage

Question 2

Which of the following is a measure of variability?
 a. The interquartile range.
  b. The variance.
  c. The coefficient of variation.
  d. All of these choices are true.



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djofnc

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Answer to Question 1

d

Answer to Question 2

D




serike

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Reply 2 on: Jun 24, 2018
Excellent


xiaomengxian

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Reply 3 on: Yesterday
Gracias!

 

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