Mathematics 0580 · IGCSE · Averages and measures of spread

Averages and measures of spread — practice question

The table presents a stem-and-leaf diagram arranged in order. Stem 0: leaves 2, A Stem 1: leaves 1, 3, B, 7 Stem 2: leaves 0, 4, 6, C Key: $1|3$ represents 13. For the ten numbers: the range is 27, the median is 16, and the mean is 16.5.
(a)[5]

Calculate the values of $A$, $B$ and $C$.

(b)[1]

Finish this statement. There is no mode because ..............................................................

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: The correct values are $8,5,9$.

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