lec10_3143

lec10_3143 - Lies, damn lies and statistics -Benjamin...

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BIOL 3143 - Figures, Tables and Statistics 1 Lies, damn lies and statistics --Benjamin Disraeli
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BIOL 3143 - Figures, Tables and Statistics 2 First get the facts, then you can distort 'em as much as you want --Mark Twain
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BIOL 3143 - Figures, Tables and Statistics 3 The basis of optimism is sheer terror -Oscar Wilde beware of  extrapolation!
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BIOL 3143 - Figures, Tables and Statistics 4 Statistics show every two minutes another statistic is created --Anon
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BIOL 3143 - Figures, Tables and Statistics 5 Box and Whisker Plots 18  27 34  52  54 59 61  68  78 82 85  87  91 93  100 median =  68 lower quartile =  52 , upper quartile =  87 Extremes = range =  18  and  100 InterQuartile Range =  87  -  52  = 35 Outliers <> median ± 1.5 x IQR                       = 68 ± 1.5 x 35                       = -15.5 to 120.5 (no outliers)
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BIOL 3143 - Figures, Tables and Statistics 6 A Famous Case
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BIOL 3143 - Figures, Tables and Statistics 7 Ozone and Outliers The 'ozone hole' above Antarctica In 1985 three researchers (Farman, Gardinar and Shanklin) were puzzled by some  data gathered by the British Antarctic Survey showing that ozone levels for Antarctica 
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This note was uploaded on 02/08/2010 for the course BIOL 3143 taught by Professor Daveshutler during the Winter '10 term at Acadia.

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lec10_3143 - Lies, damn lies and statistics -Benjamin...

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