Outliers and Their Effects on Measures of Center
In this engaging exercise, students will explore how outliers can dramatically influence the mean, median, and mode of a dataset, using real-world examples and hands-on activities to analyze and visualize data variations. By the end, learners will gain a deeper understanding of statistical concepts and develop critical thinking skills to interpret data accurately.
Questions
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MultiChoice
In the data set 2, 3, 4, 3, 5, 50, which value is an outlier?
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MultiChoice
How does adding an unusually high outlier affect the mean of a data set?
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MultiChoice
How does adding an unusually low outlier affect the mean?
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MultiChoice
Identify the outlier in the data set: 10, 12, 11, 13, 10, 95.
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MultiChoice
Which measure of center is least affected by extreme outliers?
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MultiChoice
If 100 is added to the set 5, 6, 7, 8, 9, what happens to the mean compared to the median?
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MultiChoice
Which value is an outlier in: 80, 82, 85, 84, 10?
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MultiChoice
If an outlier of 100 is removed from 10, 12, 14, 100, what happens to the mean?
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MultiChoice
Which measure is most sensitive to extreme values?
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MultiChoice
In the data set 15, 16, 14, 15, 17, 1, which value is the lower outlier?
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MultiChoice
What effect does adding an outlier have on the range of a data set?
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MultiChoice
In 20, 22, 21, 23, 200, why is 200 considered an outlier?