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QuizFormulas07

# QuizFormulas07 - (1-p • P X = k = e-μ μ k k • ¯ x ±...

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STAT 212: Quiz 7 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 n P ( X = k ) = n ! k !( n - k )! p k (1 - p ) n - k ; μ =
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Unformatted text preview: (1-p ) • P ( X = k ) = e-μ μ k k ! • ¯ x ± z * σ √ n • n = ± z * σ m ² 2 • z = ¯ x-μ ( σ/ √ n )...
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