Lesson 3 Homework Practice Measures Of Variation Answer Key !new! Jun 2026

IQR = Q3 – Q1 = 90 – 70 = 20. Meaning: The middle 50% of test scores are within a 20-point range.

Then, find the standard deviation:

Values that are "too far" from the rest of the data. Lower Limit: Upper Limit: 📝 Practice Problem Walkthrough Sample Data Set: 1. Organize the Data Order from least to greatest: 2. Find the Range 3. Find the Quartiles & Median Median: The 7th number is 10 . Q1cap Q sub 1 (Lower Half): . Median of these 6 values is Q3cap Q sub 3 (Upper Half): . Median of these 6 values is 4. Calculate the Interquartile Range (IQR) 5. Identify Outliers Step A: Multiply IQR by 1.5 →right arrow Step B (Lower Limit): . (No values are below -7). Step C (Upper Limit): Conclusion: Since 30 is greater than 29, it is an outlier . ✅ Quick Answer Key Check lesson 3 homework practice measures of variation answer key

If you are using specific textbooks like , typical answers for common problems include: IQR = Q3 – Q1 = 90 – 70 = 20