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TAVOLA 2 Valori critici della t di Student Gradi Area della coda destra della distribuzione # di Student di libertà: o,100 0,050 0,025 0,010 10,005 0,001 0,005 1 3,077 6,3137 12,7062 31,8210 63,659 318,2888 636,5776 2 18856 2,9200 = 4,3027 = 69645 9,9250 22,3285 31/5998 3 116377. 23534 31824 45407 5,8408. 10,2143 12,924 4 15332 21318 27765. 3,7460 46041 7,1729 86101 5 1/4759 20150 = 25706 33649 40321 = 5,8935 68685 6 1439819432 24469 31427 3,7074 5,2075 5,9587 7 14149 18946 = 2,3646. 2/9979 34995 47853 54081 8 13968 18595 2,3060 = 2,8965 = 3,3554 45008 5,0414 9 173830 18331 272622 = 2,824 3,2498 4,2969 47809 10 13722 18125 22281 2,7638 3,1693 4,1437 4,5868 n 173634 177959 © 22010 27181 3,1058 = 4,0248 4,4369 12 13562. 177823 = 2,1788 2,6810 3,0545 39296 43178 13 13502 17700 21604 26503 30123 38520 42209 14 1,3450 177613 = 21448 2,6245 29768 37874 4,1403 15 13406 1,751 = 2,1315 2,6025 29467 = 377329 40728 16 1/3368 = 177459 2,1199 = 2,5835 29208 36861 40149 17 13334 177396 21098 2,5669 = 2,8982 = 3,6458 3,9651 18 13304 17341 21009 25524 28784 36105 39217 19 13277 17291 2,0930 2,5395 2,8609 = 3,5793 3,8833 20 13253 177247 = 20860 25280 28453 = 3,5518 = 3,8496 a 13232 177207 = 20796 25176 28314 35271 3,8193 2 13212 17171 20739 25083 28188 3,5050 3,792 23 1319517139 = 20687 = 24999 2,80733,4850 3,7676 24 13178 177109 = 20639 24922 2,7970 © 34668 3,7454 25 13163 17081 = 20595 24851 = 27874 34502 3,7251 26 13150 177056 = 2,0555 24786 2,7787 3,4350 3,7067 27 13137 177033 20518 27/4727 2,7707 3,210 3,6895 28 13125 17001 = 20484 = 24671 2,7633 34082 3,6739 29 1.3I4 16991 = 2,0452 = 24620 27564 = 33963. 3,6595 30 1/3104 16973 = 2,0423 24573 27500 3,38523,6460 31 13095 1,6955 = 2,0395 24528 27440 33749 3,6335 32 13086 ‘16939 = 20369 24487 27385 = 33653 3,6218 33 13077 16924 = 20345 24448 27333 33563 36109 34 13070 1,6909 = 2,0322 = 2A4li = 27284 33480 3,6007 35 1306216896 = 20301 = 24377 = 27238. 33400 3,5911 36 1/3055 = 1,6883 = 20281 = 2,4345 = 27195 33326 3,5821 37 13049 16871 = 2,0262 = 24314 27154 33256 3,5737 38 13042 16860 = 20244 = 24286 27116 33190 3,5657 39 13036 16849 = 20227 24258 27079 33127 3,5581 20 13081 16839 = Z/O2I1 = 24233 27045 = 33069 3,5510 4A 13025 16829 = 20195 2,4208 27012 33012 3,5443 42 13020 16820 = 2,0181 = 24185 2,6981 = 3,2959 35377 43 13016 16811 20167 24163 2,6951 32909 3,5316 44 13011 16802 2,0154 24141 26923 = 3,2861 3,5258 45 1/3007 = 16794 = 2,0141° 24121 2,6896 = 3,2815 3,503 46 13002 16787 2,0129, 2,4102 26870 32771 3,5149 47 1,2998 16779 250117; 24083 26846 32729 3,5099 48° 12994 16772 20106 2,4066 2,6822 = 3,2689. 3,5050 49 1,2991 = 16766 = 20096 24049 26800 32651 3,5005 50 172987 16759 = 20086 24033 2,678 32614 34960 60 12958 16706 20003 2,3901 2,6603 3,2317 34602 70 1293816660 = 19944 23808 2,6479 32108 34350 80 122922 16641 19901 23739 26387 = 3,1952 34164 90 12910. 16620 = 19867 23685 26316 = 3,1832 34019 100 12901 1,6602-=1/9840 2,3642 = 2,6259 = 3,17383,3905 dos 12816 1,6449 = 19600 2,3264 2,759 30904 3,2908 
