Which of the following statements is true?
A)A histogram is created by drawing rectangles whose bases correspond to the class intervals, and the area of each rectangle equals the total number of observations in the sample.
B)A histogram can be used for only categorical variables.
C)A histogram is created by drawing rectangles whose bases correspond to the number of observations in each class.
D)A histogram is created by drawing rectangles whose bases correspond to the class intervals, and the area of each rectangle equals the number of observations in that class.

Question

Quizplus · Accepted Answer

A histogram is a graphical representation of the distribution of numerical data. The class intervals, which are usually equal in size, are plotted on the horizontal axis, and the heights of the rectangles correspond to the frequency or relative frequency of the observations in each class interval. Therefore, choice D is the correct statement.

Which of the Following Statements Is True