ISDS 2000 – FORMULAE SHEET – TEST 3 CONFIDENCE INTERVALS: Level of Confidence = (1-α ) CI (1-α ) = X ± Z n σ CI (1-α ) = X ± t n s Where degrees of freedom = n –1 And α/2 is the tail area
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This note was uploaded on 04/13/2008 for the course ISDS 2000 taught by Professor Nunnery during the Spring '08 term at LSU.