EM-2980
Quartiles and percentiles
E Math · Secondary 4 · Easy · Quartiles and percentiles
The time taken by 80 students to finish a quiz is summarised in a box-and-whisker plot.
The lower quartile is 12 minutes and the upper quartile is 20 minutes.
What is the interquartile range?
The lower quartile is 12 minutes and the upper quartile is 20 minutes.
What is the interquartile range?
- 8 minutes
- 32 minutes
- 4 minutes
- 16 minutes
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