PRC-2 · Chapter 7 · Question 32 of 60
When constructing a box-and-whisker plot, the central rectangular 'box' visually represents which statistical measure?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) The interquartile range (IQR), containing the middle 50% of the data.
Explanation
In a box-and-whisker plot, the central box spans from the lower quartile (Q1) to the upper quartile (Q3), visually representing the interquartile range where the middle 50% of the observations lie.
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