Author Question: A score which falls at the 50th percentile must always be at the a. mean b. mode c. median d. ... (Read 78 times)

bobthebuilder

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A score which falls at the 50th percentile must always be at the
 
  a. mean
  b. mode
  c. median
  d. none of these

Question 2

The decision to reject the null hypothesis using the Z test is made
 
  A) if the Z score is less than 1 or greater than 1.
  B) if the Z score is greater than 2.5.
  C) by comparing the Z score needed to reject the null hypothesis to the actual Z score of the sample.
  D) by comparing the standard deviation of the sample (SD) to the standard deviation of the population ().



jojobee318

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Answer to Question 1

c

Answer to Question 2

C



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