Grade 9 Math: Data Clusters Worksheet
Explore data clusters, outliers, and shapes of distributions with this Grade 9 math worksheet, featuring real-world examples and analysis.
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Grade 9 Math: Data Clusters
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. What is a data cluster in a data set? Explain its significance in data analysis.
2. Consider the following data set: 10, 12, 11, 13, 50, 10, 12. Which number is most likely an outlier?
10
13
50
12
3. A data point that is significantly different from other data points in a set is called an .
4. When data is concentrated in a particular region, it forms a .
5. Describe what it means for a data distribution to be 'skewed right' and 'skewed left'.
6. Plot the following data points on the number line provided: 5, 7, 8, 8, 9, 10, 12, 15
7. A teacher recorded the test scores of her students: 65, 70, 72, 75, 78, 80, 81, 82, 85, 90, 92, 95, 98, 100. Identify any clusters and outliers in this data set. What conclusions can you draw about the students' performance?