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Author Question: If the average adult male in the United States is 5' 9 tall, and the standard deviation for height ... (Read 128 times)

fbq8i

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on: Jun 20, 2018
If the average adult male in the United States is 5' 9 tall, and the standard deviation for height is 2, approximately how many adult males would you expect to be between 5' 7 and 5'11 tall?
 
  a. 50 of them
  b. 66.7 of them
  c. 75 of them
  d. 90 of them

Question 2

The interquartile range
 
  a. is the 50th percentile score in a data set.
  b. contains as few as 25 of scores or as many as 75 of scores in a data set
  c. contains the middle 50 of scores in a data set.
  d. is the same as the range.


underwood14

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Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

C


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