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Author Question: The _______ of a random variable x is equal to the positive square root of the variance. A) ... (Read 17 times)

Medesa

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The _______ of a random variable x is equal to the positive square root of the variance.
 
  A) variance B) standard deviation
  C) mean D) probability distribution

Question 2

_________ is decoration in a graph that is non-data-ink.
 
  A) graphical excellence B) the lie factor
  C) chart junk D) a scale break



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k2629

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Answer to Question 1

B

Answer to Question 2

C




k2629

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