... X1, X2, X3, X4, Xn; cards; 21 .08 24 .1 124 2.0 20 74.1 28 .9 24 .4 1 129 .0 123 2.0 22 .18 25 .0 1507.0 1659.0 27 .31 24 .2 126 30.0 1861.1 http://www.ebook.edu.vnproc corr data-direct; var X1, X2, X3, ... direct;input Sӕ liӋu X1, X2, X3 X4 Xn; cards; 21 .08 24 .1 124 2.0 20 74.1 28 .9 24 .41 129 .0 123 2.0 22 .1 825 .0 1507.0 1659.0 27 .31 24 .21 26 3.0 1861.1 ;proc corr data-direct; var Xl, X2, X3 X4 Xn; run;3. ... t͙̫nh h˱ͧngYêu cҫu Phân tích sai sӕ thí nghiӋmCách tính toán Data direct; input Sӕ liӋu X1, X2, X3, X4 Xn; cards; 21 .08 24 .11 24 2.0 20 74.1 28 . 92 4.41 129 .0 123 2.0 22 .18 25 .0 1507.0 1659.0...