Author Question: Which of the following is (are) not a symmetrical distribution? a. a bell-shaped curve b. a ... (Read 154 times)

urbanoutfitters

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Which of the following is (are) not a symmetrical distribution?
 
  a. a bell-shaped curve
  b. a J-shaped curve
  c. a rectangular curve
  d. an inverted U-shaped curve
  e. a bell-shaped, J-shaped, and an inverted U-shaped curve

Question 2

In a frequency polygon the points are plotted over _______ at a height corresponding to the frequency of the interval.
 
  a. the midpoint of each interval c. the upper real limit
  b. the lower real limit d. none of these



lcapri7

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Answer to Question 1

B

Answer to Question 2

A



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