EM-2981
Quartiles and percentiles
E Math · Secondary 4 · Easy · Quartiles and percentiles
The cumulative frequency of students’ heights reaches 40 at 150 cm and 80 at 160 cm.
What is the interquartile range of the heights?
What is the interquartile range of the heights?
- 10 cm
- 5 cm
- 20 cm
- 30 cm
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