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Unformatted text preview: 3 - 1 3 Semi Interquartile Range = 4 Deviation = X 5 SS -Definitional formula (whole numbers), SS = 2-Computational formula (decimals and fractions), SS = 2 6 Standard Deviation = = -POPULATION standard deviation = = = -SAMPLE standard deviation = s = = 7 Variance = mean squared deviation = = -POPULATION variance = 2 = = -SAMPLE variance = s 2 = = PSY 207 - Formulas 3 Chapter 5 1 z- score formula, z = 2 Find X, X = + z Chapter 6 1 p(A) =...
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- Winter '07