INTEGRANTES

ESCUELA PROFESIONAL:INGENIERIA CIVIL (WORKING ADULT)CICLO :IVCURSO:ESTADISTICA Y PROBABILIDADESINTEGRANTES1.0QUISPILAYA MARMOLEJO, ROBINSON2.0SANCHEZ SECLEN, JOSE JULIO3.0VASQUEZ GARCIA, DIEGO

EJERCICIO 1

441353241623455623322183534723n

R = RANGO = MAX MINmax8rangomin17K = NUMERO DE INTERVALO = 1 +3.33*log (30)5.9188137782k=6A = AMPLITUD DEL INTERVALO = R / kA1.1667A =1X = MARCA DE CLASE =

INTERVALOMARCA CLASE XFRECUENCIA ABSOLUTA SIMPLE fPROPORCION INDIVIDUAL hPORCENTAJE INDIVIDUAL p FRECUENCIA ABSOLUTEA ACUMULADA FPROPORCION ACUMULADO HPORCENTAJE ACUMULADO P1 - 21.530.1010%30.1010.0%2 -32.560.2020%90.3030.0%3 - 43.580.2727%170.5756.7%4 -54.550.1717%220.7373.3%5 - 65.540.1313%260.8786.7%6 -76.520.077%280.9393.3%7 - 87.520.077%301.00100.0%30RESPUESTA: La proporcion de familias que cuentan de tres a menos mienbros es deL 30%

EJERCICIO 2

Accord SilveradoSilveradoRamAccordCamryCamryF-SeriesRamSilveradoF-Series SilveradoSilveradoSilveradoCamryRamF-SeriesCamryF-SeriesF-SeriesF-Series RamRamF-SeriesAccordRamRamF-SeriesSilveradoF-SeriesCamry F-SeriesSilveradoF-SeriesF-SeriesSilveradoRamSilveradoSilveradoCamryAccord AccordRamRamAccordSilveradoCamrySilveradoF-SeriesF-Series

2 .- PREGUNTA

VARIABLEFRECUENCIA ABSOLUTA SIMPLEFRECUENCIA ABSOLUTA ACUMULADAFRECUENCIA RELATIVA SIMPLE hFRECUENCIA PORCENTUAL (pi)FRECUENCIA PORCENTALACUMULADA PVARIABLEFRECUENCIA ABSOLUTA SIMPLEFRECUENCIA ABSOLUTA ACUMULADAFRECUENCIA RELATIVA SIMPLEFRECUENCIA PORCENTUAL (pi)FRECUENCIA PORCENTALACUMULADAChevrolet Silverado13.0013.000.2626.0026.00Chevrolet Silverado13130.262626Dodge Ram10.0023.000.2020.0046.00Dodge Ram10230.220.0046.00Ford F-Series 14.0037.000.2828.0074.00Ford F-Series 14370.2828.0074Honda Accord 6.0043.000.1212.0086.00Honda Accord 6430.121286Toyota Camry 7.0050.000.1414.00100.00Toyota Camry 7500.141410050.0050

0.26

La unidad mas vendida es el Ford F-Series con un 28% del total de las ventas 1

EJERCICIO 3

EJERCICIO 3a. La covarianza xxdiaPRESION DE GASVOLUMEN % xyxyx*Y10.51.620.252.62440.8121.50.752.250.56251.125320.6240.38441.24S(xx) =46.24-35.3633333333=10.8766666667430.4690.21161.3852.50.526.250.27041.3611111b. La covarianza yy70.81.350.641.82251.0881.20.891.440.79211.06892.80.487.840.23041.344103.20.4310.240.18491.376111.80.713.240.50411.278S(yy) =11.8273-9.4164083333=2.4108916667120.31.80.093.240.5420.610.6346.2411.827313.541c. La covarianza xy

S(xy) =13.541-18.2481666667=-4.7071666667d. El coeficinte de correlacin

=-0.9192270974

EJERCICIO 4EJERCICIO 4

FechaPresion de Aire (Kg/cm2)Porcentaje de Defectos (%)a. La covarianza xxXYXyX*Y18.60.88973.960.7903217.645428.90.88479.210.7814567.867638.80.87477.440.7638767.691248.80.89177.440.7938817.8408S(xx) =2312.02-2309.1413333333=2.878666666758.40.87470.560.7638767.341688.70.88675.690.7849967.708299.20.91184.640.8299218.3812b. La covarianza yy108.60.91273.960.8317447.8432119.20.89584.640.8010258.234128.70.89675.690.8028167.7952158.40.89470.560.7992367.5096168.20.86467.240.7464967.0848S(yy) =23.978338-23.9699285333=0.0084094667179.20.92284.640.8500848.4824188.70.90975.690.8262817.9083c. La covarianza xy199.40.90588.360.8190258.507228.70.89275.690.7956647.7604238.50.87772.250.7691297.4545249.20.88584.640.7832258.142258.50.86672.250.7499567.361268.30.89668.890.8028167.4368S(xy) =235.357-235.2657066667=0.0912933333298.70.89675.690.8028167.7952309.30.92886.490.8611848.6304318.90.88679.210.7849967.8854a. El coeficinte de correlacin18.90.90879.210.8244648.081228.30.88168.890.7761617.312358.70.88275.690.7779247.6734=0.586768.90.90479.210.8172168.045678.70.91275.690.8317447.934489.10.92582.810.8556258.417598.70.87275.690.7603847.5864tot263.226.8162312.0223.978338235.357