EM-2944
Quartiles and percentiles
E Math · Secondary 4 · Easy · Quartiles and percentiles
A group of 50 students took a Science test. The cumulative frequency curve shows their marks.
The lower quartile is estimated to be 50 and the upper quartile is 62.
What is the interquartile range of the marks?
The lower quartile is estimated to be 50 and the upper quartile is 62.
What is the interquartile range of the marks?
- 12
- 6
- 31
- 136
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