EM-2969
Quartiles and percentiles
E Math · Secondary 4 · Easy · Quartiles and percentiles
The box-and-whisker plot of the Science marks of a class shows that the lower quartile is 52, the median is 68 and the upper quartile is 81. Find the interquartile range of the marks.
- 29
- 16
- 33
- 68
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