GCSE Maths Practice: bar-charts

Question 1 of 10

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\( \begin{array}{l}\text{A bar chart has bars of heights: 12, 16, 20, 24.} \\ \text{What is the range of values shown?}\end{array} \)

Choose one option:

\( 8 \) \( 10 \) \( 12 \)

\( \text{Range = max - min} \)

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