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The following five-number summary for a sample of size 500 were obtained: Minimum = 250, 
and Maximum = 4,950. Based on this information, if you were to construct a box and whisker plot, the value 215 is considered an outlier.
Outlier
An observation in a data set that is distant from other observations, potentially indicating a variance issue, measurement error, or novel discovery.
Box and Whisker Plot
A graphical representation of data that shows the distribution of data points based on a five-number summary: minimum, first quartile, median, third quartile, and maximum.
Five-number Summary
A statistical summary that includes the minimum, the first quartile, the median, the third quartile, and the maximum of a data set.
- Gain knowledge about the concept and detection of outliers employing z-scores as a method.
- Learn to develop and understand box and whisker diagrams while deciphering the five-number summary.
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Learning Objectives
- Gain knowledge about the concept and detection of outliers employing z-scores as a method.
- Learn to develop and understand box and whisker diagrams while deciphering the five-number summary.
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