GCSE Maths Practice: frequency-tables

Question 11 of 13

Calculate the total number of items using the frequency table.

‹ ›

\( \begin{array}{l} \text{Use the frequency table to calculate the total items:} \\ \begin{array}{|c|c|} \hline \text{Class} & \text{Frequency} \\ \hline 10--20 & 5 \\ 20--30 & 8 \\ 30--40 & 6 \\ 40--50 & 1 \\ \hline \end{array} \end{array} \)

Choose one option:

Check each row to ensure frequencies are correctly added.

Sum all the frequency values to find the total number of items.