GCSE Maths Practice: bar-charts

Question 3 of 10

Calculate average attendance from a bar chart.

\( \begin{array}{l}\text{A bar chart shows workshop attendance: Mon = 15, Tue = 18, Wed = 22, Thu = 20.} \\ \text{What is the average attendance?}\end{array} \)

Diagram

Choose one option:

Add carefully and divide accurately.

Average = sum of values ÷ number of entries.