U.5

Quartiles & Interquartile Range

Find the median, the lower and upper quartiles, and the interquartile range.

Level

Medium

Level

Problems

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@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 6 Math Quartiles & Interquartile Range Skill U.5 \cdot Statistics \cdot ★★☆ Medium Name Date Score / 6 Scan for answers Order the data. Find Q1, the median, Q3, and the IQR. Example 2, 4, 5, 7, 9, 10, 12 Q1 = 4, Q3 = 10, IQR = 10 - 4 = 6 Think: The median is 7. Q1 is the median of the lower half (2, 4, 5) and Q3 the median of the upper half (9, 10, 12). 1 5, 23, 17, 16, 18, 29, 3, 24, 12, 26 Q1 Median Q3 IQR 2 24, 16, 17, 26, 3, 23, 14, 19, 30 Q1 Median Q3 IQR 3 23, 2, 16, 7, 25, 22, 8, 6, 15, 29 Q1 Median Q3 IQR 4 30, 22, 26, 23, 15, 27, 19, 10 Q1 Median Q3 IQR 5 19, 14, 24, 13, 3, 12, 9, 17, 15 Q1 Median Q3 IQR 6 4, 19, 9, 25, 17, 2, 23, 26, 29, 16 Q1 Median Q3 IQR Daniel Math Academy \cdot danielmath.com Worksheet # k9nwr7y \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 6 Math Answer Key U.5 Quartiles & Interquartile Range \cdot ★★☆ Medium 1 Q1 12 \cdot Median 17.5 \cdot Q3 24 \cdot IQR 12 2 Q1 15 \cdot Median 19 \cdot Q3 25 \cdot IQR 10 3 Q1 7 \cdot Median 15.5 \cdot Q3 23 \cdot IQR 16 4 Q1 17 \cdot Median 22.5 \cdot Q3 26.5 \cdot IQR 9.5 5 Q1 10.5 \cdot Median 14 \cdot Q3 18 \cdot IQR 7.5 6 Q1 9 \cdot Median 18 \cdot Q3 25 \cdot IQR 16 Daniel Math Academy \cdot danielmath.com Worksheet # k9nwr7y \cdot Answer Key \cdot Page 2 / 2

U. Statistics6 skills