Lesson 4 Homework — Practice Descriptive Statistics Answers

Mean=15, Median=14, Modes=12 & 14, Range=8 Problem Type 2: Interquartile Range (IQR) & Box Plot Data Set: 5, 7, 8, 12, 15, 18, 21, 22, 25

IQR = Q3 – Q1 = 21.5 – 7.5 = 14

Min=5, Q1=7.5, Median=15, Q3=21.5, Max=25 Lesson 4 Homework Practice Descriptive Statistics Answers

Sum = 12+15+14+12+18+20+14 = 105 Count = 7 Mean = 105 ÷ 7 = 15 Mean=15, Median=14, Modes=12 & 14, Range=8 Problem Type

IQR = 14 Problem Type 3: Mean Absolute Deviation (MAD) Data Set: 10, 12, 14, 16, 18 Modes=12 & 14

Most frequent = 12 and 14 (both appear twice) → Bimodal