The Following Frequency Distribution Presents the Weights in Pounds (Lb)

Multiple Choice

The following frequency distribution presents the weights in pounds (lb) of a sample of visitors to a health clinic. $$\begin{array} { c c } \hline \text { Weight (lb) } & \text { Frequency } \\\hline 100 - 103 & 2 \\104 - 107 & 1 \\108 - 111 & 4 \\112 - 115 & 4 \\116 - 119 & 10 \\120 - 123 & 9 \\124 - 127 & 4 \\128 - 131 & 1 \\\hline\end{array}$$ What is the class width?

A) 3
B) 5
C) 32
D) 4