Grade 12 Data Clusters Worksheet
This worksheet focuses on understanding and analyzing data clusters, including identifying clusters, outliers, and interpreting their significance in various data sets.
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Grade 12 Data Clusters Worksheet
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Read each question carefully and provide your answer in the space provided. For questions involving data sets, analyze the data to identify clusters, gaps, and outliers.
1. Define what a 'data cluster' is in the context of data analysis and explain why identifying them is important.
2. Consider the following data set representing the scores of students on a math test: 55, 60, 62, 63, 65, 88, 90, 92, 95, 98. Which of the following best describes the data distribution?
A single cluster with no outliers.
Two distinct clusters with no outliers.
A single cluster with several outliers on the lower end.
Two distinct clusters and several outliers on the lower end.
3. Observe the number line below. The numbers 12, 13, 14, 15 form a , while the number 25 is considered an . There is a between 15 and 25.
4. A company recorded the ages of its employees: 22, 23, 24, 25, 26, 48, 49, 50, 51. Describe the data clusters present and what they might indicate about the company's workforce.
5. An outlier always significantly affects the mean of a data set, but rarely affects the median.
True
False
6. Create a small data set (at least 10 numbers) that clearly shows two distinct data clusters and one outlier.