Mathematics 4024 · O Level · Averages and measures of spread

Averages and measures of spread — practice question

(main)[2]

Stella is heading to a park. She spends $4$ minutes walking at $80$ steps per minute, and then $1$ minute walking at $120$ steps per minute. Find the mean number of steps per minute she takes.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Proper calculation $4 \times 80 + 120$” …

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