Number Summaries and Box Plots.

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Presentation transcript:

Number Summaries and Box Plots

Value Position

Value Position

max Two Number Summary – the minimum and maximum, or smallest and largest, of the data points Value min min max Position

max Value min min max Position

Three Number Summary – the minimum, maximum and median of the data points Value med Q2 min min median (Q2) max Position

Five Number Summary – the minimum, maximum, median, first quartile median and third quartile median of the data points Q3 Value med Q2 Q1 min min Q1 median (Q2) Q3 max Position

max Q3 Value med Q2 Q1 min min Q1 median (Q2) Q3 max Position

max min med Q2 Q1 Q3

max min med Q2 Q1 Q3