Assume that you have a set of data with 70 values spread fairly evenly between 0 and 100. The ...

Assume that you have a set of data with 70 values spread fairly evenly between 0 and 100. The optimal number of categories for a histogram of these data would be approximately
 
  a. 4
  b. 10
  c. 25
  d. 50

Question 2

Frequency distributions are used
 
  a. as a first step in examining data.
  b. as a screening device to identify questionable values.
  c. to organize data.
  d. all of the above

Question 3

What does NOT count as measurement?
 
  a. The assignment of numbers to behaviors
  b. Matching verbal expressions to ratings of hostility
  c. Assessment of behavior with only a weakly valid instrument
  d. These are all examples of measurement.