σ=
Fecha
Hora
xi
x-x
(x-x)²
01/01/2023
8
1
-18.375
337.641
01/01/2023
9
3
-16.375
268.141
01/01/2023
10
18
-1.375
1.891
01/01/2023
11
45
25.625
656.641
01/01/2023
12
63
43.625
1903.141
01/01/2023
13
53
33.625
1130.641
01/01/2023
14
47
27.625
763.141
01/01/2023
15
42
22.625
511.891
01/01/2023
16
39
19.625
385.141
01/01/2023
17
37
17.625
310.641
01/01/2023
18
32
12.625
159.391
01/01/2023
19
28
8.625
74.391
01/01/2023
01/01/2023
22
20
23
3.625
13.141
21
14
-5.375
28.891
01/01/2023
22
4
-15.375
236.391
01/01/2023
23
4
-15.375
236.391
01/01/2023
24
5
-14.375
206.641
n
7,224.004
ΣΕΞ1 (x - 72
n
24
Σαι
Σ (x²-x)² =
i=1