Table 48. 



LEAST SQUARES. 



This table gives the values of the probability P, as detined in last table, corresponding to different values of 

 jc I r where r is the " probable error." The probable error r is equal to 0.47694 / h. 



Table 49. 



This faaor occurs in 



LEAST SQUARES. 



Values of the factor 0.6745\ / -^ . 

 _ \n— 1 



the equation e. := o.6745\ / --^ for the probable error of a single observation, and other 



\ n — I 



similar equations. 



Smithsonian Tables. 



36 



