What type of graph is useful when depicting piece rates?

A. Bar graph

B. Scatterplot

C. Slope

D. Linear graph

The answer is the option "B".

Therefore, the type of graph that is useful when depicting piece rates is the " Scatter plot".

You can use a Scatter Plot to show the relationship between two sets of data or two variables, this is called "Correlation".

It is formed by two axes: one of them is horizontal and the other one is vertical.