STAT2509MidtermFormula

STAT2509MidtermFormula - STAT 2509 MIDTERM EXAM FORMULA...

This preview shows page 1. Sign up to view the full content.

STAT 2509 MIDTERM EXAM FORMULA SHEET n x x n i i = = 1 () 1 1 2 1 2 2 = ∑∑ == n n x x s n i n i i i Pooled sample variance: ( ) 2 1 1 2 1 2 2 2 2 1 1 2 + + = n n s n s n s If ) , ( ~ p n B X , then np X E X = = µ ) ( , ) 1 ( ) ( 2 p np X V X = = σ , and x n x p p x n x X P = = ) 1 ( ) (. CHAPTER 8 – 10 Confidence Interval Test Statistic Degrees of Freedom n s t d d n 1 , 2 ± α n s d d t d 0 0 = n – 1 + ± 2 1 2 , 2 2 1 1 1 n n s t x x df ( ) + = 2 1 2 0 2 1 0 1 1 n n s D x x t 2 2 1 + n n 2 2 2 1 2 1 , 2 2 1 n s n s t x x df + ± ( ) 2 2 2 1 2 1 0 2 1 0 n s n s D x x t + = 1 ) / ( 1 ) / ( 2 2 2 2 2 1 2 1 2 1 2 2 2 2 1 2 1 + + n n s n n s n s n s CHAPTER 11 One Factor ANOVA or CRD Total SS = CM x k i n j ij i 11 2 , SST = CM n T k i i i = 1 2 , n T CM k i i 2 1 = = Tukey’s family of simultaneous confidence intervals for j i : j i j i n n MSE k
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/26/2010 for the course STATISTICS Stat2509 taught by Professor Waynes.horn during the Winter '08 term at Carleton.

Ask a homework question - tutors are online