Sieve No. 18 pa 9 e 2 



'a be 5.F7 



0.69 

 0.63 

 0.69 

 0.76 

 0.44 

 0.53 

 0.65 

 0.63 

 0.83 

 0.78 

 0.81 

 0.68 

 0.67 

 0.65 

 0.83 

 0.76 

 0.80 

 0.49 

 0.76 

 0.88 

 0.72 

 0.96 

 0.79 

 0.80 

 0.82 

 0.92 

 0.83 

 0.82 

 0.59 

 0.71 

 0.61 

 0.72 



S 2 = 0.0227 



58 



48 



36.77 



61 



54 



36.40 



63 



40 



34.91 



70 



46 



43.11 



73 



66 



31.18 



70 



48 



30.80 



48 



42 



29.31 



67 



67 



42.74 



54 



38 



37.89 



63 



39 



39.01 



67 



44.23 



38 



81 



65 



50.95 



80 



68 



49.83 



48 



45 



30.43 



85 



63 



61.02 



56 



57 



43.11 



67 



49.08 



46 



57 



41 



23.72 



73 



46.84 



45 



60 



60 



53.18 



58 



52.44 



40 



67 



62 



38.64 



56 



35 



27.07 



106 



68 



57.29 



79 



69.60 



61 



35 



34.16 



32 



74 



52 



47.22 



59 



61 



49.45 



100 



66 



48.71 



68 



41.99 



38 



87 



54 



42.37 



84 



59 



50.95 



£.x = 67 ' 



,59 



X = 0. 



,67 



lx 2 =47, 



.93 



(£x) 2 /n = 45, 



n = 100 



S = 0.15 

 Sx = 0.015 



29 



