... 7,20 1, 00 10 ,00 11 ,00 13 Nrrnv€n Thi Hoang Mai 29, 00 14 N1iuv @11 Bao 5,20 2,75 29, 00 Minh 8,30 1, 50 18 ,00 18 ,00 Ngan 15 Pham Trieu Kim 4,70 1, 25 18 ,00 18 ,00 16 N2uv@n Tun!l Nghla 9, 40 38,00 17 :Di~n ... 6 ,94 5,43 DC(2) 2, 49 Chenh l~ch TB (3)- (1) = 0 ,14 (4)-(2) = 2 ,94 (5)-(6) = 32,45 26 ,99 (7)-(8)=32,35 1, 7 1, 58 14 ,3 14 ,17 ke £ >9 l~ch chuan P= T-test d...