On Histograms, the Horizontal Axis Represents ______, and the Vertical

Multiple Choice

On histograms, the horizontal axis represents ______, and the vertical axis represents ______.

A) the frequency that a score occurred; all possible class intervals
B) the scores of people who took the test; the frequency that the score occurred
C) all possible values of some variable; the number of people who scored each value
D) the means of all test scores; the standard deviations of all test scores