What is the primary purpose of a frequency polygon? To represent qualitative data To show the relationship between two variables To depict the distribution of a single set of interval or ratio-scaled data To represent hierarchical data

Frequency polygons are used for:  Continuous data Categorical data both a. and b. None of the above

A property of a frequency polygon is that (a) a histogram is always needed in the construction of the polygon. (b) the polygon is made up of line segments. (c) the end points of the polygon need not be tied down to the horizontal axis at both ends. (d) the polygon can be constructed on a pie chart.

In graphing frequency distributions, frequency polygons are most useful when the data Blank______.Multiple choice question.are obtained from nonequivalent groupsrepresent nominal scalesare affected by confounding variablesrepresent interval or ratio scales

Frequency polygons are used to visualise.Select one:a.data distributionb.dispersionc.highs and lows of datad.all of these

A graphical representation of a frequency distribution in which vertical bars are centered above each category along the x-axis and separated from each other by a space is called a ______.Choose onehistogrambar graphpie graphfrequency polygon