单选题 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.

【正确答案】 C

【答案解析】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.