EM-2966
Quartiles and percentiles
E Math · Secondary 4 · Easy · Quartiles and percentiles
The box-and-whisker plot for the scores of a test shows the lower quartile at 42, the median at 56 and the upper quartile at 71. Find the interquartile range (IQR).
- 29
- 14.5
- 15
- 113
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