A frequency distribution (Multiple Choice)

A frequency distribution
 
  a. displays the average of each score received.
  b. offers no more information than a collection of raw data.
  c. counts the number of times each score is received.
  d. does none of the above.

Question 2

In deciding on the number of stems to use in a stem and leaf display,
 
  a. you should always break the stems into 5 stems per every 10 units.
  b. you should normally make all of the stems the same width.
  c. you should generally use 10 stems in all.
  d. you should disregard the frequencies of the data.

Question 3

Which of the following distributions can be symmetric?
 
  a. unimodal
  b. bimodal
  c. normal
  d. all of the above

Question 4

The onset of eating disorders was shown to occur most often during puberty and during the late teen years in girls. A distribution of the frequencies of onset of eating disorders by age would most likely be
 
  a. unimodal.
  b. normal.
  c. bimodal.
  d. all of the above

Question 5

In making plots of data, which of the following rules is true?
 
  a. Three-dimensional plots should never be used.
  b. Rules of graphical presentation are prescriptive and should never be broken.
  c. The ultimate goal in making plots is to make data attractive.
  d. The point of representing data graphically is better communication.