For a single variable at the interval-ratio level, an appropriate graph would be
A) a pie chart
B) a histogram
C) a bivariate table
D) none of the above. Graphs are never used for interval-ratio level variables

Question

Quizplus · Accepted Answer

A histogram is the appropriate graph for a single variable at the interval-ratio level because it shows the distribution and frequency of the data in a continuous way. A pie chart is not appropriate for continuous data, bivariate tables are used for the analysis of two or more variables, and graphs are frequently used for interval-ratio level variables.

For a Single Variable at the Interval-Ratio Level, an Appropriate