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1 Menu 2 Box and Whisker Diagrams. 12, 18, 32, 40, 45, 60, 70, 90, 94 Lowest Value = 12 Highest Value = 94 Median = 45Upper Quartile = 80 Lower Quartile.

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Presentation on theme: "1 Menu 2 Box and Whisker Diagrams. 12, 18, 32, 40, 45, 60, 70, 90, 94 Lowest Value = 12 Highest Value = 94 Median = 45Upper Quartile = 80 Lower Quartile."— Presentation transcript:

1

2 1 Menu

3 2 Box and Whisker Diagrams. 12, 18, 32, 40, 45, 60, 70, 90, 94 Lowest Value = 12 Highest Value = 94 Median = 45Upper Quartile = 80 Lower Quartile = 25 Menu

4 3 Comparing Box and Whisker Diagrams The following will show a forest of red trees and a forest of green trees : Menu

5 4 345678910 11 3 6 6 6 7 7 7 7.5 8 8 8.5 9 95 6 6.5 7 7 7.5 8 9 9 9.5 11 11.5 Smallest = 3Biggest = 9Median = 7.5 L.Q. = 6 U.Q. = 8.5 Smallest = 5 Big = 11.5 Med = 8 L.Q. = 7 U.Q. =11 Positive Skew Negative Skew Long whiskers can indicate outliers Long boxes show large spread of data Height of Trees (metres) Menu

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