Why might a frequency polygon include an extra value at the start and end along the bottom?
A)To illustrate the bimodal distribution of the data
B)To highlight the value with the largest frequency
C)To make a closed figure (i.e., polygon)
D)To construct a rectangular distribution

Question

Quizplus · Accepted Answer

Including an extra value at the start and end of the bottom of the frequency polygon ensures that the polygon is a closed figure, as it connects back to the y-axis at both ends. This creates a clear visual representation of the distribution of the data.

Why Might a Frequency Polygon Include an Extra Value at the Start