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Notes 9-12-08 - (O E 2 121 121(O E 2 E 0.15 0.45 = 0.60...

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9/12/08 Statistics Chi Squared Example: Tall Short Total Observed 787 277 1064 Expected (ratio) 0.75 0.25 1.00 Expected 798 266 1064 (O - E) -11 11
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Unformatted text preview: (O - E) 2 121 121 (O - E) 2 / E 0.15 + 0.45 = 0.60 Degrees of freedom = (n – 1) n = number of categories...
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