human
Construct frequency tables Dave has recorded the number of pets his classmates have in the frequency table on the right. \begin{tabular}{|c|c|}
\hline Number of pets & Frequency \\
\hline \( 0 \) & \( 4 \) \\
\hline \( 1 \) & \( 6 \) \\
\hline \( 2 \) & \( 3 \) \\
\hline \( 3 \) & \( 2 \) \\
\hline \( 4 \) & \( 5 \) \\
\hline
\end{tabular} If Dave wanted to work out the total number of pets own by his classmates, what would be a useful column to include? Number of pets -
Frequency
gpt
Subtracts rather than multiplies when calculating total frequency