Slides taken from Bluman 5th Edition slides © McGraw Hill

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Presentation transcript:

Slides taken from Bluman 5th Edition slides © McGraw Hill Stem and Leaf Plots Slides taken from Bluman 5th Edition slides © McGraw Hill

Other Types of Graphs Stem and Leaf Plots A stem and leaf plot is a data plot that uses part of a data value as the stem and part of the data value as the leaf to form groups or classes. It has the advantage over grouped frequency distribution of retaining the actual data while showing them in graphic form. Bluman, Chapter 2

At an outpatient testing center, the number of cardiograms performed each day for 20 days is shown. Construct a stem and leaf plot for the data. 25 31 20 32 13 14 43 2 57 23 36 32 33 32 44 32 52 44 51 45 Bluman, Chapter 2

25 31 20 32 13 14 43 2 57 23 36 32 33 32 44 32 52 44 51 45 Unordered Stem Plot Ordered Stem Plot 2 1 3 4 5 6 7 2 1 3 4 2 5 3 3 1 2 6 2 3 2 2 4 3 4 4 5 5 7 2 1 Bluman, Chapter 2