#Chapter 5 data sets E5_2_11 := [[3.75, 3.19] , [3.45, 3.34] , [2.87, 2.23] , [3.60, 3.46], [3.42, 2.97] , [4.00, 3.79] , [2.65, 2.55] , [3.10, 2.50], [3.47, 3.15] , [2.60, 2.26] , [4.00, 3.76] , [2.30, 2.11], [2.47, 2.11] , [3.36, 3.01] , [3.60, 2.92] , [3.65, 3.09], [3.30, 3.05] , [2.58, 2.63] , [3.80, 3.22] , [3.79, 3.27]]: E5_2_12:=[[16, 19], [18, 17], [22, 18], [20, 23], [17, 20], [25, 21], [21, 24], [23, 18], [24, 18], [31, 25], [27, 29], [28, 24], [30, 24], [27, 23], [28, 24]]: EX5_6_6:=[1013,1019,1021,1024,1026,1028, 1033,1035,1039,1040,1043,1047]: E5_6_1:=[67,6,7,35,78,28,74,5,9,37]: E5_6_2:=[3.7,3.8,4.0,4.3,4.7,4.8,4.9,5.0, 5.2,5.4,5.6,5.6,5.6,5.7,6.2,6.8,7.6]: E5_6_9:=[13.9,14.4,14.6,14.7,14.7,15.2,15.2,15.2, 15.3,15.4,15.4,15.5,15.6,15.6,15.9,16.4]: