Theorem 3.1 (The Cauchy-Schwarz inequality) Suppose that X and Y have finite variances. Then |EXY

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
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Chapter4: Writing Linear Equations
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Theorem 3.1 (The Cauchy-Schwarz inequality)
Suppose that X and Y have finite variances. Then
|EXY <EXY| < ||X||2 ||Y||2 = √√EX². EY2
Transcribed Image Text:Theorem 3.1 (The Cauchy-Schwarz inequality) Suppose that X and Y have finite variances. Then |EXY <EXY| < ||X||2 ||Y||2 = √√EX². EY2
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