A researcher wants to visually display the U.S. divorce rate (a continuous, interval-ratio level variable) for the last 50 years. An appropriate format would be________.
A) a line chart or histogram.
B) only a histogram.
C) a pie chart.
D) None of the answer choices. Data in the form of rate should never be displayed in a chart or graph.

Question

Quizplus · Accepted Answer

A line chart would be the best option to display changes in the U.S. divorce rate over time. A histogram is more appropriate for displaying frequency or distribution of a single variable. A pie chart is not suitable for showing changes over time and can only be used for displaying proportions or percentages. Data in the form of rate can be displayed in a chart or graph as long as the appropriate format is used.

A Researcher Wants to Visually Display the U