— 160 — 
V. SERIE. 
x + 10,71.y + 114,70.6 = 0,880 
+ 20,20.y + 408,04. = 3,604 
x + 31,74 + 1007,43.e = 6,834 
: + 37,04y + 1371,96. = 8,310 
Il 
Zio 19B 
Do “GP 
ARNO 
5. x + 42,91.y + 1841,27.2 = 9,919 
do 
%, 
N 
a . 
| 51,36.y + 2637,85.: = 12,285 
7, x + 58,32.y + 3401,22.6 = 14212 
8. x + 65,97.y + 4352,04.2 = 16,283 
Da queste si deducono le seguenti cinque terne di equazioni normali. 
\ 9.x + 336,279 + 15233,89. 
I 336,27.x + 15233,89.y + 776176,85. 
15233,89.2 + 776176,85.y + 42483603,0.< 
Di 6.0 + 260,35.y + 13443,96. 
260,35.2 + 13443,96.y + 749389,78.< 
di 13443,96.2 + 749389,78.y + 43338300,0.2 
\ ad 288,45.y + 12678,73.< 
III ( —288,45.0 li 12678,73.y +  623346,86.< 
| 12678,73.x + 623346,86.y + 32750093,0.< 
\ 8.0 + 300,02.y + 13965,50.< 
IV.Ì 300,02.x + 13965,50.y + 730158,16. 
| 13965,50.2 + 730158,16.y + 40819575,0.2 
\ 8a + 818,25.4 + 15334,51.< 
V. 318,25.2 + 15334,51.y + 792216,44.2 
| 15334,51.x + 792216,44.y + 43943931,9.z 
+ 0,021 
0021 
— 0,010 
— 0,005 
+ 0,020 
— 0,006 
— 0,013 
+ 0,014 
— 67,179 
— 3241, 00 
= 170394, 04 
7,545 
— 247, 57 
— 10748, 00 
— 13,800 
= 412, 
— 15604, 43 
— 68,983 
— 3334, 56 
— 177298, 06 
= 72,327 
— 3576, 55 
— 189742, 89 
I valori delle incognite e dei loro errori probabili sono : 
Incognite. 
%; Y 
I — 2,748 + 0,27263 
II + 2,915 -- 0,04025 
III + 3,029 — 0,03279 
IV — 1,326 + 0,27301 
V — 2,158 + 0,28552 
Errori probabili 
dell'unità di peso di x di y 
I 2 0,020 2 0,00044 
II 20 55 
III 13 31 
IV 15 33 
VI 18 29 
& 
|41++ 
di < 
0,000015 
0,000040 
0,000065 
0,0000532 
0,000090 
= 0,000026 
35 
18 
18 
16 
15 
