In an influence diagram, decision nodes are represented by
a. circles or ovals c. diamonds
b. squares or rectangles d. triangles
Question 2
The relative frequency of a class in a histogram is computed by
a. dividing the frequency of the class by the number of classes.
b. dividing the frequency of the class by the class width.
c. dividing the frequency of the class by the total of all frequencies.
d. None of these choices.