mes |
Y |
X |
1 |
100 |
80 |
2 |
120 |
90 |
3 |
120 |
100 |
4 |
140 |
80 |
5 |
130 |
100 |
6 |
130 |
90 |
7 |
150 |
100 |
8 |
130 |
100 |
9 |
160 |
120 |
10 |
170 |
130 |
11 |
120 |
90 |
12 |
120 |
90 |
13 |
140 |
110 |
14 |
150 |
120 |
15 |
130 |
100 |
Desarrollando la tabla:
Y |
X |
Y2 |
X2 |
XY |
sumando |
100 |
80 |
10000 |
6400 |
8000 |
|
120 |
90 |
14400 |
8100 |
10800 |
|
120 |
100 |
14400 |
10000 |
12000 |
|
140 |
80 |
19600 |
6400 |
11200 |
|
130 |
100 |
16900 |
10000 |
13000 |
|
130 |
90 |
16900 |
8100 |
11700 |
|
150 |
100 |
22500 |
10000 |
15000 |
|
130 |
100 |
16900 |
10000 |
13000 |
|
160 |
120 |
25600 |
14400 |
19200 |
|
170 |
130 |
28900 |
16900 |
22100 |
|
120 |
90 |
14400 |
8100 |
10800 |
|
120 |
90 |
14400 |
8100 |
10800 |
|
140 |
110 |
19600 |
12100 |
15400 |
|
150 |
120 |
22500 |
14400 |
18000 |
|
130 |
100 |
16900 |
10000 |
13000 |
|
2010 |
1500 |
273900 |
153000 |
204000 |
|
134 |
100 |
18260 |
10200 |
13600 |
dividiendo por n=15 |
a02 (Y) | a20 (X) | a11 (XY) |