N.7

Compare Populations

Compare two groups' centers (medians) and spreads (interquartile ranges) from their box plots.

Level

Medium

Level

Problems

Show exampleInclude answer key

@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 7 Math Compare Populations Skill N.7 \cdot Statistics & sampling \cdot ★★☆ Medium Name Date Score / 6 Scan for answers Use the box plots to answer each question. Example Test Scores Class A Class B 50556065707580859095100 Medians: 80 - 75 = 5 Think: Class B's median is 5 points higher. The IQRs are 85 - 70 = 15 and 90 - 65 = 25, so Class B's scores are more spread out. 1 Heights of Plants (cm) Team 1 Team 2 12141618202224 IQRs differ by: 2 Minutes Spent Reading Class A Class B 4812162024 IQRs differ by: 3 Heights of Plants (cm) Class A Class B 16202428323640 Greater IQR: 4 Heights of Plants (cm) Store X Store Y 68101214161820 Greater IQR: 5 Miles Biked per Week Store X Store Y 20304050607080 Greater IQR: 6 Daily High Temperatures (°F) Team 1 Team 2 14182226303438 Greater IQR: Daniel Math Academy \cdot danielmath.com Worksheet # jt26jbw \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 7 Math Answer Key N.7 Compare Populations \cdot ★★☆ Medium 1122 3 Class B 4 Store X 5 Store Y 6 Team 1 Daniel Math Academy \cdot danielmath.com Worksheet # jt26jbw \cdot Answer Key \cdot Page 2 / 2

N. Statistics & sampling9 skills