MAINE AGRICULTURAL E^XP^RIMEJNT STATION. 1914. 



Table I. 



Showing the Probability of Occurrence of Statistical Deviations 

 of Different Magnitudes Relative to the Probable Error. 





Probable oc- 



Odds against 





Probable oc- 







currence of 



the occur- 





currence of 



Odds against the oc- 





a deviation as 



rence of a de- 





a deviation as 



currence of a devia- 



Deviation 



great as or 



viation as 



Deviation 



great or 



tion, as great as or 





greater than 



great as or 





greater than 



greater than the des- 







P. E. 



designated 



greater than 



P. E. 



the desig- 



ignated one. 





one in 100 



the desig- 





nated one in 







trials. 



nated one. 





100 trials. 





1.0 



50.00 



1 . 00 to 1 



3.5 



1.82 



53.95 to 1 



1.1 



45.81 



1.18 to 1 



3.6 



1.52 



64.79 to 1 



1.2 



41.83 



1.39 to 1 



3.7 



1.26 



78.37 to 1 



1.3 



38.06 



1.63 to 1 



3.8 



1.04 



95. 15 to 1 



1.4 



34.50 



1.90 to 1 



3.9 



.853 



116.23 to 1 



1.5 



31.17 



2.21 to 1 



4.0 



.698 



142.26 to 1 



1.6 



28.05 



2 . 57 to 1 



4.1 



.569 



174. 75 to 1 



1.7 



25.15 



2.98 to 1 



4.2 



.461 



215.92 to 1 



1.8 



22.47 



3.45 to 1 



4.3 



.373 



267. 10 to 1 



1.9 



20.00 



4 . 00 to 1 



4.4 



.300 



332.33 to 1 



2.0 



17.73 



4 . 64 to 1 



4.5 



.240 



415.67 to 1 



2.1 



15.67 



5.38 to 1 



4.6 



.192 



519.83 to 1 



2.2 



13.78 



6.26 to 1 



4.7 



.152 



656 . 89 to 1 



2.3 



12.08 



7.28 to 1 



4.8 



.121 



825.45 to 1 



2.4 



10.55 



8.48 to 1 



4.9 



.095 



1051.63 to 1 



2.5 



9.18 



9 . 89 to 1 



5.0. 



.074 



1350.35 to 1 



2.6 



7.95 



11.58 to 1 



6.0 



.0052 



19 ,230 to 1 



2.7 



6.86 



13.58 to 1 



7.0 



.00023 



434 ,782 to 1 



2.8 



5.90 



15.95 to 1 



8.0 



.000000068 



1 ,470 ,588 ,234 to 1 



2.9 



5.05 



18.80 to 1 









3.0 



4.30 



22.26 to 1 









3.1 



3.65 



26.40 to 1 









3.2 



3.09 



31.36 to 1 









3.3 



2.60 



37.46 to 1 









3.4 



2.18 



44.87 to 1 









