formula sheet - Formula Sheet x= x s= n z-score = ( x x) n...

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Formula Sheet x x n = () 2 1 x x s n = value - mean z-score standard deviation = mean 1 std. dev. ~ 68% mean 2 std. dev. ~ 95% mean 3 std. dev. ~ almost all ± ± ± 31 IQR = Q Q 1.5 IQR Rule 1 Q1 . 5I Q R −× 3 . 5 I Q R 3 SD Rule mean 3 std.dev. mean + 3 std.dev. STAT > Summary Stats > Columns Regression 1 1 1 1 xy rz z n x y r ns s =⋅ ⎛⎞ −− ⎜⎟ ⎝⎠ yab x =+ ± where y x s br s = ayb x =− STAT > Graphics > Scatter Plot STAT > Regression > Simple Linear Residual = yy ± ( ) ( ) 1 C PA ( ) mean xPx STAT > Calculators > Normal Standard Errors of Sampling Distributions x n σ = l (1 ) p p p n = One Population Confidence Intervals l .. p zse ± where ll 1 se p p n x tse ± ⋅ where s n = and 1 df n = Sample Sizes l l ( ) 2 2 1 p pz n m = 22 2 z n m = Test Statistics l 0 p p z = where 00 1 p p n = 0 x t μ = where s n = and 1 df n = STAT > Proportions > One Sample > With Summary STAT > T-Statistics > One Sample > With Data (a column) or With Summary STAT > Calculators > T
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Formula Sheet Matched Pairs .. d x tse ±⋅ where d s se n = and 1 df n
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This note was uploaded on 09/07/2011 for the course STAT 2000 taught by Professor Smith during the Spring '08 term at University of Georgia Athens.

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formula sheet - Formula Sheet x= x s= n z-score = ( x x) n...

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