Question

which of these is a graphical presentation of the relationship between two quantitative variables?
a. bar chart
b. scatter chart
c. pie chart
d. histogram

Explanation:

A scatter chart plots pairs of numerical values to show the relationship between two quantitative variables. A bar - chart is used for comparing categories. A pie - chart shows proportions of a whole. A histogram represents the distribution of a single variable.

Answer:

B. Scatter chart