In analyzing a single quantitative variable, you will generally choose to use a scatter diagram if the variable is measured over time and a histogram if the variable is cross-sectional.

Question

Quizplus · Accepted Answer

A scatter diagram is typically used to show the relationship between two quantitative variables, not for analyzing a single quantitative variable over time. For a single quantitative variable measured over time, a line chart or time series plot is more appropriate. A histogram is correctly used for showing the distribution of a single quantitative variable, whether it is cross-sectional or not.

In Analyzing a Single Quantitative Variable, You Will Generally Choose