Question

In a histogram the area of each rectangle is proportional to

A. The class mark of the corresponding class interval

B. The class size of the corresponding class interval

C. Frequency of the corresponding class interval

D. Cumulative frequency of the corresponding class interval

Answer 1

A histogram is a display of statistical information that uses rectangles to show the frequency of data items in successive numerical intervals of equal size.

In the most common form of histogram, the independent variable is plotted along the horizontal axis and the dependent variable is plotted along the vertical axis.