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Author Question: Selecting a subset of clusters and then collecting data on all elements in those clusters is ... (Read 114 times)

OSWALD

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on: Jun 24, 2018
Selecting a subset of clusters and then collecting data on all elements in those clusters is referred to as _____ cluster sampling.
 a. stratified
  b. convenient
  c. single-stage
  d. two-stage

Question 2

Chebysheff's Theorem states that the percentage of measurements in a data set that fall within three standard deviations of their mean is:
 a. 75.
  b. at least 75.
  c. 89.
  d. at least 88.9.


lgoldst9

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

c

Answer to Question 2

D


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