Refer to the table summarizing service times (seconds) of dinners at a fast food restaurant. How many individuals are included in the summary? Is it possible to identify the exact values of all of the original service times?
\begin{tabular}{c|c}
\hline Time (sec) & Frequency \\
\hline $60-119$ & 7 \\
\hline $120-179$ & 21 \\
\hline $180-239$ & 16 \\
\hline $240-299$ & 2 \\
\hline $300-359$ & 5
\end{tabular}
individuals are included in the summary.
(Type a whole number.)
Answer
The total number of individuals included in the summary is \(\boxed{51}\)
Step 1 ：The question is asking for the total number of individuals included in the summary. This can be found by summing up the frequencies of each time interval.
Step 2 ：frequencies = [7, 21, 16, 2, 5]
Step 3 ：total_individuals = 51
Step 4 ：The total number of individuals included in the summary is \(\boxed{51}\)
