INTRODUCTION TO THE PRACTICE OF STATISTICS * E1 F5 _ t: v# }* R9 C7 X5TH EDITION$ R6 x2 b! e( P: X, I
AUTHER: DAVID & GEORGE # R( \' {; B% }% b! P/ x. u9 b. \9 N; |6 R; w" g1 O
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发表于 2008-9-19 21:59
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