OF ERRORS OF JUDGMENT AND ON THE PERSONAL EQUATION. 
287 
(«•) 
{h.) 
(«.) 
(«.) 
( 6 .) 
(h.) 
{a.) 
(b.) 
Bright-line Experiments. 
Absolute Judgments. 
( 1 -) 
X = 5*442,309 tan 6. 
y = 92-5307 cos'-“6' e+i'078805«_ 
OriQ-in of curve at — '38195. 
y = 87-060 expt. (— .xyi 1*312,202). 
Origin of curve at the mean, -|- '07774. 
( 2 .) 
.i; = 5-227,204 tan 0. 
?/== 100-806 cos^'^®"-' 
Origin at — 1'19399. 
y = 88'265 expt. (— x7l 1’005,434). 
Origin at mean, — 1'14483. 
\. 3 - 
y = (j + iTsvJ 
.3-90321 
1 — 
\ 5-17262 
14~4^4y 
Origin at the mode, — '59736. 
y = 56-837 expt. (- x726'541,754). 
Origin at the mean, — '44635. 
Relative Judgments. 
(3-2.) 
X — \ [ '17755 tan 6. 
y = 21-2674 cos'®-'''"® 6 
Origin at — 1'78466. 
y= 59-537 expt. (-a:724'188,480). 
Origin at the mean, -f '68275. 
(1-3.) 
/ \3-35IC0 
y = 48-890 (1 -f ' ^ 
1 — 
10-4055/ 
Origin at the mode, + ’2505. 
y = 51'580 expt. (— a:732'227,254). 
Origin at the mean, + '61L45. 
\ 5'98815 
185911/ 
