In a box plot, which percentiles do Q1 and Q3 represent?

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Multiple Choice

In a box plot, which percentiles do Q1 and Q3 represent?

Explanation:
Quartiles split the data into four equal parts. The first quartile is the value below which 25% of observations fall, and the third quartile is the value below which 75% fall. In a box plot, the box spans from Q1 to Q3, and the line inside marks the median at the 50th percentile. So Q1 and Q3 correspond to the 25th and 75th percentiles. The other options point to the median (50th), the extremes (0th and 100th), or deciles (10th and 90th), which aren’t what Q1 and Q3 represent.

Quartiles split the data into four equal parts. The first quartile is the value below which 25% of observations fall, and the third quartile is the value below which 75% fall. In a box plot, the box spans from Q1 to Q3, and the line inside marks the median at the 50th percentile. So Q1 and Q3 correspond to the 25th and 75th percentiles. The other options point to the median (50th), the extremes (0th and 100th), or deciles (10th and 90th), which aren’t what Q1 and Q3 represent.

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