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Copyright © 2002, N. Ahbel Stem and Leaf Diagrams & Histograms.

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Presentation on theme: "Copyright © 2002, N. Ahbel Stem and Leaf Diagrams & Histograms."— Presentation transcript:

1 Copyright © 2002, N. Ahbel Stem and Leaf Diagrams & Histograms

2 Copyright © 2002, N. Ahbel The Data The Stem and Leaf Diagram Legend 4|7 = 47

3 Copyright © 2002, N. Ahbel The Data The Stem and Leaf Diagram Legend 4|7 = 47

4 Copyright © 2002, N. Ahbel The Data The Stem and Leaf Diagram Original Diagram Rotated 90 o The shape of this distribution is fairly symmetrical.

5 Copyright © 2002, N. Ahbel HistogramStem and Leaf

6 Copyright © 2002, N. Ahbel The Data The Stem and Leaf Diagram Original Diagram Rotated 90 o

7 Copyright © 2002, N. Ahbel Shown on Display? Appropriate for? Important Characteristics: Individual Data Values 5-Number Summary Mean Std. Dev. Large Data Sets Small Data Sets Stem & Leaf Diagram Frequency Histogram No YesOK Displays number of values in each interval Yes No No n<150 Yes Displays freq. distribution of small data sets & min/max

8 Copyright © 2002, N. Ahbel Stem and Leaf Diagrams & Histograms

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