GCSE Maths Practice: averages

Question 9 of 13

Find the modal class from a frequency table.

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\( \begin{array}{l}\text{Find the modal class from the frequency table:} \\ \begin{array}{|c|c|}\hline \text{Class} & \text{Frequency} \\ \hline 0 - 10 & 4 \\ 10 - 20 & 9 \\ 20 - 30 & 15 \\ 30 - 40 & 7 \\ \hline\end{array}\end{array} \)

Choose one option:

\( \text{20 - 30} \) \( \text{10 - 20} \) \( \text{30 - 40} \)

Compare frequencies carefully to determine modal class.

Check which class interval has the highest frequency.