INTRODUCTION TO THE PRACTICE OF STATISTICS . t# b1 J+ q' k/ K5TH EDITION: D o( \* Q* O0 r
AUTHER: DAVID & GEORGE # g, O$ W' E& _' {7 y3 v: w3 M: T$ p" E# @) `/ N8 Y7 E n
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发表于 2008-9-19 21:59
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