Sorted already. n=9 Median (Q2) = 15 (5th value) Lower half (first 4): 5,7,8,12 → Q1 = (7+8)/2 = 7.5 Upper half (last 4): 18,21,22,25 → Q3 = (21+22)/2 = 21.5
✅ Yes, 100 is an outlier.
Upper half: 16, 18, 19, 22 Median = (18+19)/2 = 18.5 = Q3 Lesson 4 Homework Practice Descriptive Statistics Answers
Master Lesson 4 Homework Practice: Descriptive Statistics Descriptive statistics is the backbone of data analysis. It allows us to take a massive pile of numbers and turn them into a story that makes sense. Whether you are calculating the average score on a test or determining the spread of house prices in a neighborhood, focuses on the core tools: Mean, Median, Mode, and Range. Sorted already