# forumla - Parameter Assumptions Con&dence interval H...

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Unformatted text preview: Parameter Assumptions Con&dence interval H Test statistic & Normality ¡ known & X & z &= 2 ¡ p n & = & z = & X & ¢ & p n & Normality ¡ unknown & X & t &= 2 s p n & = & t = & X & ¢ s p n & No normality ¡ known n large & X & z &= 2 ¡ p n & = & z = & X & ¢ & p n & No normality ¡ unknown n large & X & z &= 2 s p n & = & z = & X & ¢ s p n & 1 ¡ & 2 Normality ¡ 1 ;¡ 2 known & X 1 ¡ & X 2 & z &= 2 q ¡ 2 1 n 1 + ¡ 2 2 n 2 & 1 ¡ & 2 = D z = & X 1 & & X 2 & D r & 2 1 n 1 + & 2 2 n 2 & 1 ¡ & 2 Normality ¡ 2 1 = ¡ 2 2 = ¡ 2 unknown & X 1 ¡ & X 2 & t &= 2 s p q 1 n 1 + 1 n 2 & 1 ¡ & 2 = D t = & X 1 & & X 2 & D s p q 1 n 1 + 1 n 2 & 1 ¡ & 2 No normality ¡ 1 ;¡ 2 known n 1 ;n 2 large & X 1 ¡ & X 2 & z &= 2 q ¡ 2 1 n 1 + ¡ 2 2 n 2 & 1 ¡ & 2 = D z = & X 1 & & X 2 & D r & 2 1 n 1 + & 2 2 n 2 & 1 ¡ & 2 No normality ¡ 1 ;¡ 2 unknown n 1 ;n 2 large & X 1 ¡ & X 2 & z &= 2 q s 2 1 n 1 + s 2 2 n 2 & 1 ¡ & 2 = D z = & X 1 & & X 2 & D r s 2 1 n 1 + s 2 2 n 2 p n large ^ p & z &=...
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## This note was uploaded on 12/20/2011 for the course ACCT/MGMT 2010 taught by Professor A during the Spring '11 term at HKUST.

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forumla - Parameter Assumptions Con&dence interval H...

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