INVERSIN MINERA (US$) :RANKING DE EMPRESAS AO 2012

RANKINGTITULAR MINEROAO 2012 (US$)

1MINERA CHINALCO PER S.A1,182,446,591

2XSTRATA LAS BAMBAS S.A1,028,371,576

3MINERA YANACOCHA S.R.L1,023,074,398

4COMPAA MINERA ANTAMINA S.A656,835,465

5SOCIEDAD MINERA CERRO VERDE S.A.A600,872,711

6XSTRATA TINTAYA S.A427,249,815

7LA ARENA S.A252,036,391

8COMPAA MINERA MILPO S.A.A215,604,267

9COMPAA DE MINAS BUENAVENTURA S.A.A208,173,019

10MINERA BARRICK MISQUICHILCA S.A190,535,112

11CONSORCIO MINERO HORIZONTE S.A143,959,068

12VOLCAN COMPAA MINERA S.A.A136,510,962

13SOUTHERN PER COPPER CORPORATION134,249,165

14MINSUR S.A131,214,482

15EMPRESA MINERA LOS QUENUALES S.A112,008,746

16GOLD FIELDS LA CIMA S.A91,213,068

17SOCIEDAD MINERA EL BROCAL S.A.A91,019,613

18EMPRESA ADMINISTRADORA CHUNGAR S.A.C84,713,458

19RIO TINTO MINERA PER LIMITADA S.A.C75,073,946

20MINERA AURIFERA RETAMAS S.A70,439,368

21COMPAA MINERA ARES S.A.C68,088,380

22COMPAA MINERA MISKI MAYO S.R.L64,902,140

23COMPAA MINERA SANTA LUISA S.A.59,421,652

24EMPRESA ADMINISTRADORA CERRO S.A.C54,666,618

25CANTERAS DEL HALLAZGO S.A.C53,210,225

26ARASI S.A.C46,734,356

27COMPAA MINERA PODEROSA S.A45,082,908

28MINERA SUYAMARCA S.A.C44,766,712

29CEDEMIN S.A.C43,327,331

30COMPAA MINERA CASAPALCA S.A38,853,447

31COMPAA MINERA ATACOCHA S.A.A38,471,526

32VOTORANTIM METAIS CAJAMARQUILLA S.A37,123,527

33ANGLO AMERICAN MICHIQUILLAY S.A35,416,233

34UNION ANDINA DE CEMENTOS S.A.A33,561,560

35ANGLO AMERICAN QUELLAVECO S.A33,524,863

36ICM PACHAPAQUI S.A.C31,505,331

37COMPAA MINERA ALPAMARCA S.A.C31,249,564

38ARUNTANI S.A.C29,539,167

39COMPAA MINERA ARGENTUM S.A29,244,669

40MINERA BATEAS S.A.C27,330,394

41COMPAA MINERA CAUDALOSA S.A27,092,998

RANKINGTITULAR MINEROAO 2012 (US$)

42CORPORACIN MINERA TOMA LA MANO S.A25,109,796

43LUMINA COPPER S.A.C24,845,845

44PAN AMERICAN SILVER HUARON S.A24,609,206

45SOCIEDAD MINERA CORONA S.A24,137,965

46CORP. MINERA CASTROVIRREYNA S.A23,717,208

47MINERA HAMPTON PER S.A.C22,246,611

48MINERA YANAQUIHUA S.A.C21,578,685

49CASTROVIRREYNA COMPAA MINERA S.A21,352,874

50CATALINA HUANCA SOCIEDAD MINERA S.A.C18,926,848

Nmero de Grupos:

Rango:

Amplitud del Intervalo:

Nmero de Grupos:

Rango:

Amplitud del Intervalo:

CUADRO DE FRECUENCIA DE LA INVERSIN MINERA (US$) AO 2012

Y'j-1 --Y'jYjfjFjhjHjYj hj

[18,926,848 39,765,551.33 >29,346,199.6721210,420,4212,325,403.86

[39,765,551.33 60,604,254.66 >50,184,903.007280,140,567,025,886.42

[60,604,254.66 81,442,957.99 >71,023,606.334320,080,645,681,888.506

[81,442,957.99 102,281,661.3 >91,862,309.663350,060,705,511,738.58

[102,281,661.3 123,120,364.7 >112,701,013.001360,020,722,254,020.26

[123,120,364.7 185,143,954.1 >154,132,159.44400,080,8012,330,572.75

[185,143,954.1 351,361,060.2 >268,252,507.24440,080,8821,460,200.58

[351,361,060.2 517,578,166.3 >434,469,613.31450,020,908,689,392.266

[517,578,166.3 1,016,229,485 >766,903,025.72470,040,9430,676,121.03

[1,016,229,485 1,182,446,591 >1,099,338,0383500,061,0065,960,282.28

501,00171,915,506.5

Fuente: MEM /Declaraciones juradas hechas por los titulares mineros.Las cifras reportadas pertenecen a la declaracin estadstica mensual (R.D 091-2009-MEM/DGM).

MEDIANADatos:Y'j-1= 39,765, 551.33C = 20, 838,703.33n/2 = 50/2 = 25F'j-1 = 21F'j = 28Me = Me = 51, 673,381.8 Valor medio entre las empresas Mineras: Canteras del Hallazgo S.A.C y Ca. Minera Arasi S.A.CYjfjYj - (Yj - )2|Yj - | fj(Yj - )2 fj

29,346,199.6721-142,569,306.862,0326 x10162,993,955,444.064,27 x1017

50,184,903.007-121,730,603.531,48183 x1016852,114,224.711,04 x1017

71,023,606.334-100,891,900.201,01792 x1016403,567,600.804,07 x1016

91,862,309.663-80,053,196.876,40851 x1015240,159,590.611,92 x1016

112,701,013.001-59,214,493.533,50636 x101559,214,493.533,51 x1015

154,132,159.44-17,783,347.133,16247 x101471,133,388.521,26 x1015

268,252,507.2496,337,000.679,28082 x1015385,348,002.683,71 x1016

434,469,613.31262,554,106.776,89347 x1016262,554,106.776,89 x1016

766,903,025.72594,987,519.173,5401 x10171,189,975,038.347,08 x1017

1,099,338,0383927,422,531.478,60113 x10172,782,267,594.412,58 x1018

509,240,289,484.433.9897 x1018

Datos: n = 50Media aritmtica: = 171,915,506.5

DESVIACIN MEDIA:

En promedio los datos se alejan por 184,805,789.7 a la media aritmtica VARIANZA:

ERROR ESTANDAR:

El alejamiento promedio de los datos con respecto a la media aritmtica es de 282,478,459.5 dlares