EXAM _3 formula sheet

# EXAM _3 formula sheet - EXAM#3 FORMULA SHEET T AIL S 2 =...

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EXAM #3 FORMULA SHEET Test Statistic (population mean) 0 / x z n μ σ - = or 0 / x z s n - = or 0 / x t s n - = Standard Error = s or n n Test Statistic (population proportion) 0 0 0 (1 ) p p z p p n - = - where x p n = Standard Error = 0 0 (1 ) p p n - Regression Slope: 1 2 ( )( ) ( ) i i i x x y y b x x - - = - Y-intercept: 0 1 ( ) b y b x = - Regression Line Equation: 0 1 ˆ ( ) y b b x = + Total Sum of Squares = Sum of Squares due to Regression + Sum of Squares due to Error, or

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EXAM _3 formula sheet - EXAM#3 FORMULA SHEET T AIL S 2 =...

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