ISDS Chapter 2 quiz

How does an ogive differ from a polygon?

An ogive is a graphical depiction of a cumulative frequency or cumulative relative frequency distribution, while a polygon is a graphical depiction of a frequency or relative frequency distribution.

When displaying quantitative data, what is an ogive used to plot?

Cumulative frequency or cumulative relative frequency of each class against the upper limit of the corresponding class

When using a polygon to graph quantitative data, what does each point represent?

The midpoint of a particular class and its associated frequency or relative frequency

Horizontal bar charts are constructed by placing

each category on the vertical axis and the appropriate range of values on the horizontal axis

In order to summarize qualitative data, a useful tool is a __________.

frequency distribution