Salud

PRACTICA 1


1. Puntuación en un examen de estadísticas de una clase de 30 estudiantes.




|76 |65 |89 |86 |45 |80 |
|35 |66 |55 |99 |95 |75 |
|87 |85 |83 |84 |68 |66 |
|72 |74 |85 |68 |76|10 |
|97 |52 |24 |76 |77 |95 |


10, 24, 35, 45, 52, 55, 65, 66, 66, 68, 68, 72, 74, 75, 76, 76, 76, 77, 80, 83, 84, 85, 85, 86, 87, 89, 95, 95 ,97,99


Elaborar la tabla de distribución de frecuencia.


Clase: K=1+3.3log(n) K: 1.2.3.4.5.6
K= 5.8 – 6
|Clase |Intervalo|Frecuencia |Frecuencia R |Frecuencia A |
|1 |10 - 24.9 |2 |0.066666 |0.06 |
|2 |24.9 - 39.8 |1 |0.033333 |0.093333 |
|3 |39.8 - 54.7 |2 |0.066666 |0.159999 |
|4 |54.7 - 69.6 |6|0.2 |0.359999 |
|5 |69.6 - 84.5 |10 |0.333333 |0.693332 |
|6 |84.5 - 99.4 |9 |0.3 |0.993332 |


Rango: DM-Dm
99-10= 89


I.C: R/k
89/6 = 14.8







2. Al intercambiarle la dieta de liquida a sólida,el peso de 20 bebés, en un mes, se incrementó de la siguiente forma:


0.4 1.9 1.5 0.9 0.3 1.6 0.4 1.4 1.2 0.8
0.9 0.7 0.9 0.7 0.9 1.5 0.5 1.5 1.7 1.8


Realice un análisis estadístico.
|Clase |Intervalo |Frecuencia |Frecuencia R |Frecuencia A |
|1 |.3-.62 |4 |0.2 |0.2 |
|2|.62-.94 |7 |0.35 |0.55 |
|3 |.94-1.26 |1 |0.05 |0.6 |
|4 |1.26-1.58 |4 |0.2 |0.8 |
|5 |1.58-1.9 |3 |0.15 |0.95 |
|6 |1.9-2.22 |1|0.05 |1 |


0.3 0.4 0.4 0.5 0.7 0.7 0.8 0.9 0.9 0.9 0.9 1.2 1.4 1.5 1.5 1.5 1.6 1.7 1.8 1.9


Clase: K= 1+3.3log (20)
K=5.2 – 5


Rango: DM-Dm
1.9 - 0.3 = 1.6


I.C: R/K
1.6/5=.32




3. Dada la siguiente tabla de frecuencias, realice un análisis estadístico:|Clase |Intervalo de clase |Frecuencia |F. Relativa |F. Acumulada |
|1 |0.523-0.526 |3 |.06 |.06 |
|2 |0.526-0.529 |6 |.12 |.18 |
|3|0.529-0.532 |7 |.14 |.32 |
|4 |0.532-0.535 |12 |.24 |.56 |
|5 |0.535-0.538 |10 |.2 |.76 |
|6|0.538-0.541 |6 |.12 |.88 |
|7 |0.541-0.544 |4 |.08 |.96 |
|8 |0.544-0.547 |2 |0.04 |1 |...