问题
单项选择题
In a frequency distribution histogram, the frequency of an interval is given by the:（）
A. width of the corresponding bar.
B. height multiplied by the width of the corresponding bar.
C. height of the corresponding bar.
答案
参考答案：C
解析：
In a histogram, intervals are placed on the horizontal axis, and frequencies are placed on the vertical axis. The frequency of a particular interval is given by the value on the vertical axis, or the height of the corresponding bar.