Which of the following is LEAST useful in studying the relationship between two variables?
A) trendline
B) stem-and-leaf display
C) crosstabulation
D) scatter diagram

Question

Quizplus · Accepted Answer

A trendline, crosstabulation, and scatter diagram are all useful tools in studying the relationship between two variables, as they allow for the visualization of patterns and correlations between the variables. In contrast, a stem-and-leaf display is typically used for displaying the distribution of a single variable and is not as useful for studying the relationship between two variables.

Which of the Following Is LEAST Useful in Studying the Relationship