INTRODUCTION TO THE PRACTICE OF STATISTICS 2 R2 n9 d5 m. L. e1 ^9 I5 _! t5 Z
5TH EDITION8 e+ B2 }: Y& G( y8 C
AUTHER: DAVID & GEORGE " y8 H, U C, f3 j0 B9 |9 k! v" B( I5 W+ F" g% O
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