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Five Number Summary and Boxplots by Katherine Williams
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Five Number Summary and Boxplots by Katherine Williams

Five Number Summary and Boxplots by Katherine Williams

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Description:

Identify the quartiles in a box-and-whisker plot.

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Terms to Know
Boxplot/Box-and-Whisker Plot

A graphical distribution of the five number summary .The "box" in the middle contains the middle 50% of the values, and the "whiskers" extend out to the maximum and minimum values from the quartiles.

First/Lower Quartile

The number at which approximately 25% of the data set falls at or below that value.

Five Number Summary

A brief overview of a data set consisting of the minimum, the first quartile, the median, the third quartile, and the maximum.

Quartiles

The values that divide the data set into four equal partitions.

Second Quartile/Middle Quartile/Median

The number at which approximately 50% of the data set falls at or below that value.

Third/Upper Quartile

The number at which approximately 75% of the data set falls at or below that value.