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Complete the table to work out the mode, the median and the range, in minutes.
Mathematics 0580 · IGCSE · Averages and measures of spread
Averages and measures of spread — practice question
Emma needs to answer 15 mathematics questions. A stem-and-leaf diagram gives the time, in minutes, that she spends on each question. The stems and leaves are:
0 | 3 5 6 7 7 8 8
1 | 1 2 2 3 6 6 6
2 | 0
Key: 2 | 0 = 20 minutes.