1. FECHA PRODUCTO CANTIDAD (LBS) 167
7/4/2010 AMONIACO 15 129.00
7/4/2010 amoniaco 20
7/4/2010 NITRATO DE PLATA 18
7/5/2010 CAL 41
7/5/2010 AZUFRE 19
7/8/2010 AZUFRE 17
7/8/2010 CAL 25
7/8/2010 AMONIACO 87
7/11/2010 NITRATO DE PLATA 31
7/11/2010 AZUFRE 33
7/12/2010 AMONIACO 45

2. DESVIACION MEDIA
X X-PROM (x-Xprom)^3 desv est. 1
4 2 4 1.414213562
5 1 1 desv. Est. 2
6 0 0 1.414213562
7 1 1
8 2 4
PROMEDIO 6 10

3. 1 4 0.85714286
2 5 0.14285714
3 6 1.14285714
4 7 2.14285714
5 5 0.14285714 1.2
6 4 0.85714286
7 3 1.85714286
8 4.85714286 1.71428571
1.02040816

4. 1345 x-xprom (x-xprom)2
1301 16.4 268.96
1368 -27.6 761.76
1322 39.4 1552.36
1310 -6.6 43.56
1370 -18.6 345.96
1318 41.4 1713.96
1350 -10.6 112.36
1303 21.4 457.96
1299 -25.6 655.36
1328.6 -29.6 876.16
promedio 6788.4 26.0545581 desviacion estandar
46 26.0545581 desviacion estandar
27.4639157 27.4639157
desviacion estandar
varianza 678.84 678.84
754.266667 754.266667

5. x y x2 y2 yi y-yi (y-yi)^2
0 0 0
5.016 0.0105 25.160256
10.028 0.0319 100.560784
20.06 0.0844 402.4036
30.088 0.1364 905.287744
40.1184 0.1832 1609.48602
49.908 0.2324 2490.80846
22.1740571 0.09697143
valor b:
y
0.25
0.2
0.15
0.1
0.05
0
0 10 20 30

6. x-xprom (x-xprom)^2 y-yprom (y-yprom)^2 (x-xprom)*(y-yprom) sumatoria
- 22.17 491.69 - 0.0970 0.01 2.2
- 17.16 294.40 - 0.0865 0.01 1.5
- 12.15 147.53 - 0.0651 0.00 0.8
- 2.11 4.47 - 0.0126 0.00 0.0
7.91 62.63 0.0394 0.00 0.3
17.94 322.00 0.0862 0.01 1.5
27.73 769.17 0.1354 0.02 3.8
- 0.0 2,091.89 0.01 10.1
0.00481 valor a: - 0.0970
0.00481202 -0.009730526
y
40 50 60