Use the Scatter Diagrams Shown, Labeled a Through F to Solve

Multiple Choice

Use the scatter diagrams shown, labeled a through f to solve the problem.
-In which scatter diagram is $r = 0.01 ?$

A) $\mathrm { e }$
B) $\mathrm { C }$
C) $\mathrm { f }$
D) $\mathrm { d }$