histograms and line charts or frequency polygons are used wi

histograms and line charts or frequency polygons are used with data measured at the

a.nominal level

b ordinal level

cl interval ration level

d any level

Solution

   C interval ration level

A bar chart is a series of rectangles (bars) with the heights of the rectangles corresponding to the frequency at each variable value. There are spaces between the rectangles to emphasis the qualitative nature of the variable being used. A bar chart is appropriate for nominal and ordinal data.

A histogram is a series of rectangles (bars) with the heights of the rectangles corresponding to the frequency at each variable value. There are no spaces between the rectangles because of the quantitative nature of the variable being used. Histograms are appropriate for discrete data measured on either an interval or ratio scale.

A frequency polygon or line chart is a series of lines joining points corresponding to the frequency at each variable value or interval. If intervals are used, the points are the midpoints of the intervals. Line charts are appropriate for continuous data measured on either an interval or ratio scale.