n 



CONFIDENCE INTERVAL 



90 



95 



98 



1 



6.314 



12.706 



31.821 



2 



2.920 



4.303 



6.965 



3 



2.353 



3.182 



4.541 



4 



2.132 



2.776 



3.747 



5 



2.015 



2.571 



3.365 



6 



1.943 



2.447 



3.143 



7 



1.895 



2.365 



2.998 



8 



1.860 



2.776 



2.896 



9 



1.833 



2.571 



2.821 



10 



1.812 



2.228 



2.764 



11 



1.796 



2.201 



2.718 



12 



1.782 



2.179 



2.681 



13 



1.771 



2.160 



2.650 



14 



1.761 



2.145 



2.624 



15 



1.753 



2.131 



2.602 



16 



1.746 



2.120 



2.583 



17 



1.740 



2.110 



2.567 



18 



1.734 



2.101 



2.552 



19 



1.729 



2.093 



2.539 



20 



1.725 



2.086 



2.528 



21 



1.721 



2.080 



2.518 



22 



1.717 



2.074 



2.508 



23 



1.714 



2.169 



2.500 



24 



1.711 



2.064 



2.492 



25 



1.708 



2.060 



2.485 



26 



1.706 



2.056 



2.479 



27 



1.703 



2.052 



2.473 



28 



1.701 



2.148 



2.467 



29 



1.699 



2.045 



2.462 



inf. 



1.645 



2.960 



2.326 



A-2 



