Author Question: The square root of the estimated population variance is the estimated population _____ . a. range ... (Read 120 times)

CBme

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The square root of the estimated population variance is the estimated population _____ .
 
  a. range
   b. standard deviation
  c. median
  d. mode

Question 2

If the 30th percentile on an examination is 65, then _____ .
 
  a. 30 percent of the people got a score of 65
  b. more than 30 percent of the people failed the exam
  c. 30 percent of the people got a score above 65
   d. 30 percent of the people got a score of 65 or less



soda0602

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Answer to Question 1

B

Answer to Question 2

D



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