Use the Following Frequency Distribution to Determine the Class Limits

Multiple Choice

Use the following frequency distribution to determine the class limits of the third class. $$\begin{array} { l l } \hline \text { Class } & \text { Frequency } \\\hline 9 - 11 & 7 \\12 - 14 & 11 \\15 - 17 & 8 \\18 - 20 & 5 \\21 - 23 & 9 \\24 - 26 & 6 \\\hline\end{array}$$

A) lower limit: 15; upper limit: 17
B) lower limit: 14.5; upper limit: 17.5
C) lower limit: 15; upper limit: 18
D) lower limit: 14; upper limit: 18