Author Question: The distribution of scores on a test is mound-shaped and symmetric with a mean score of 78. If 68 of ... (Read 198 times)

rmenurse

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The distribution of scores on a test is mound-shaped and symmetric with a mean score of 78. If 68 of the scores fall between 72 and 84, which of the following is most likely to be the standard deviation of the distribution?
 
  A) 6 B) 12 C) 3 D) 2

Question 2

Classify the following random variable according to whether it is discrete or continuous.
  The blood pressures of a group of students the day before the final exam
 
  A) continuous B) discrete



Ksh22

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Answer to Question 1

A

Answer to Question 2

A



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