Mathematics 0580 · IGCSE · Averages and measures of spread

Averages and measures of spread — practice question

Over $40$ weeks, a school keeps track of how many calculators it sells in each week. The information is shown in the table.
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Work out the mean number of calculators sold by the school each week.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “M1: Finding $\sum f x$ from grouped data” …

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