{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

QuizFormulas05

QuizFormulas05 - P X = k = n k n-k p k(1-p n-k μ = np σ =...

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

View Full Document Right Arrow Icon
STAT 212: Quiz 5 Formulas ¯ x = 1 n n X i =1 x i s 2 = 1 n - 1 n X i =1 ( x i - ¯ x ) 2 = 1 n - 1 ( n X i =1 x 2 i - ( n i =1 x i ) 2 n ) s = s 2 r = 1 n - 1 n X i =1 x i - ¯ x s x y i - ¯ y s y ˆ y = b 0 + b 1 x ; b 1 = r s y s x , b 0 = ¯ y - b 1 ¯ x μ X = X x i p i σ 2 X = X ( x i - μ X ) 2 p i σ 2 a + bX = b 2 σ 2 X σ 2 X + Y = σ 2 X + σ 2 Y + 2 ρσ X σ Y σ 2 X - Y = σ 2 X + σ 2 Y - 2 ρσ X σ Y μ ¯ x = μ ; σ ¯ x = σ
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: P ( X = k ) = n ! k !( n-k )! p k (1-p ) n-k ; μ = np, σ = p np (1-p ) • P ( X = k ) = e-μ μ k k !...
View Full Document

{[ snackBarMessage ]}