Formula for Final Exam (1)

Formula for Final Exam (1) - Formula n x x =- 1 ) ( 2 2-- =...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Formula n x x =- 1 ) ( 2 2-- = - n x x s 100 =- x s CV Mean= E(x) = = ) ( x P X Variance = =- 2 2 ) ( ) ( x p x = np 2 = np ( 1- p ) - = x z n x z - =- Z test P p-value > , dont reject h n s x t - =- T test p-value > , dont reject H 1 1 1 b s b t - = n z x for erval confidence 025 . : int % 95 - when is known. Stat test Z interval insert stats or data and you get the confidence interval n s t x for erval confidence 025 . : int % 95 - when is not given in the problem Stat test t interval insert stats or data n p p p p z ) 1 (-- =- stat test 1-prop Z test, For 95% confidence interval for P: use n p p z p ) 1 ( 025 .---- 1 Prop Z interval 2 2 / = E z n ) 1 ( 2 2 / p p E z n- = 2 2 2 1 S S F = +--- =-- 2 1 2 2 1 2 1 1 1 ) ( ) ( n n s x x T p 2 ) 1 ( ) 1 ( 2 1 2 2 2 2 1 1 2- +- +- = n n...
View Full Document

This note was uploaded on 12/23/2010 for the course FIN 2301 taught by Professor Sherman during the Spring '10 term at Northeastern.

Page1 / 3

Formula for Final Exam (1) - Formula n x x =- 1 ) ( 2 2-- =...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online