s1=[33 51 54 65 65 67 69 69 70 75 75 78 79 80 81 81 83 85 85 87 87 89 90 90 92 95 98 99];
s2=[20 35 36 42 58 62 73 76 78 81 84 88 89 90 91 93 93 94 94 94 95 96 100 100 100 100];
s3=[40 57 59 63 64 65 65 70 72 75 79 81 83 85 85 85 85 89 90 93 94 95 95 95 100 100];
s4=[46 48 56 62 63 67 68 70 72 85 90 91 92 93 98 100 100 100 100];
s5=[22.5 49 52 60.5 63.5 64 73.5 77 79 79.5 81.5 82.5 83 86 89.5 100 ];
s6=[40 56 56 66 73 74 81 82 83 85 85 87 88 90 97 98 100 100];    
s7=[48 55 56 59 61 72.5 74.5 75 76.5 77.5 82 82.5 83 85 92 93 94 95 100];
s8=[41 62 63 67 68 71 72 73 76 76 76 78 82 84 85 89 91 93 93 94 94 99 100 100];
s9=[43 57 62 65 68 74 75 75 76 77 78 79 81 82 85 85 85 89 91 95 95 95 99 100 ];
s10=[48 53 55 55 60 63 64 65 67 69 69 74 75 77 79 82 83 84 85 90 93 94 94 99];
s11=[45 59 61 62 70 77 77 80 81 82 83 84 84 87 88 89 91 91 93 94 98];        
s={s1,s2,s3,s4,s5,s6,s7,s8,s9,s10,s11};

for i=1:11, disp(['Section ',num2str(i),': mean=',num2str(mean(s{i}))]) ; end
Section 1: mean=77.5714
Section 2: mean=79.3077
Section 3: mean=79.8346
Section 4: mean=79
Section 5: mean=71.4375
Section 6: mean=80.0556
Section 7: mean=76.9211
Section 8: mean=80.2917
Section 9: mean=79.625
Section 10: mean=74.0417
Section 11: mean=79.8095



for i=1:11, disp(['Section ',num2str(i),': std=',num2str(std(s{i}))]) ;end
Section 1: std=14.9949
Section 2: std=23.03
Section 3: std=15.3312
Section 4: std=18.7231
Section 5: std=18.9437
Section 6: std=16.6679
Section 7: std=15.1934
Section 8: std=14.4898
Section 9: std=13.8652
Section 10: std=14.5646
Section 11: std=13.4893