INTRODUCTION TO THE PRACTICE OF STATISTICS 7 E+ f% ^2 m! l4 @% V3 B3 m
5TH EDITION3 W/ G) i/ M4 F' O, b# ^5 ~4 e
AUTHER: DAVID & GEORGE5 ?+ `$ o* x+ f, R- N
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发表于 2008-9-19 21:59
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