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Author Question: The inferential z-test differs from the single-sample t-test in that the _____ is estimated in the ... (Read 79 times)

viki

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The inferential z-test differs from the single-sample t-test in that the _____ is estimated in the t-test.
 
  a. sample standard deviation
  b. population standard deviation
  c. sample variance
  d. population variance

Question 2

The following figure could be labeled _____.
 
  a. platykurtic
  b. leptokurtic
  c. positively skewed
  d. negatively skewed



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diana chang

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Answer to Question 1

b

Answer to Question 2

d





 

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