The following frequency distribution presents the weights in pounds (lb) of a sample of visitors to a health clinic.
$$\begin{array} { c c }
\hline \text { Weight (lb) } & \text { Frequency } \
\hline 130 - 137 & 3 \
138 - 145 & 2 \
146 - 153 & 8 \
154 - 161 & 3 \
162 - 169 & 5 \
170 - 177 & 9 \
178 - 185 & 5 \
186 - 193 & 2 \
\hline
\end{array}$$ What is the class width?
A)7
B)8
C)64
D)9

Question

The following frequency distribution presents the weights in pounds (lb) of a sample of visitors to a health clinic.
 $$\begin{array} { c c } 
\hline \text { Weight (lb) } & \text { Frequency } \
\hline 130 - 137 & 3 \
138 - 145 & 2 \
146 - 153 & 8 \
154 - 161 & 3 \
162 - 169 & 5 \
170 - 177 & 9 \
178 - 185 & 5 \
186 - 193 & 2 \
\hline
\end{array}$$ What is the class width?
A)7
B)8
C)64
D)9

Quizplus · Accepted Answer

The class width is the difference between the upper limit of one class and the lower limit of the next class. For the first class, 138 (the lower limit of the second class) - 130 (the lower limit of the first class) = 8.

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