• Order a set of data to find the median, quartiles and extremes.
• Draw a box-and-whisker plot to represent given data.
• Identify the median, quartiles, and extremes given a box-and-whisker plot.
• Compare and Interpret double box-and-whisker plots of real-world data.

Median

the middle score of a set of data.

Quartile

dividing a data into four sections.

Upper Quartile

the median of a quartile on the higher end of the range.

Lower quartile

the median of a quartile on the lower range

Extremes

the highest and lowest scores possible in a range of data.