Estadistica 5

Páginas: 13 (3047 palabras) Publicado: 28 de septiembre de 2010
Ejercicios donde se calcula las medidas de tendencia central y de dispersión, media,moda mediana,desviación estándar,varianza,mínimo y máximo.
Conoce tambien:
Calculadora de estadística descriptiva , medidas de tendencia central y de dispersión.
Ejercicios resueltos y fórmulas para media geométrica y media armónica.
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Fórmulas estadística descriptiva
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Ejercicio resueltos deestadística descriptiva
Datos 1 | | | | |x |f |fa |fx |fx2 | |14 |17 |16 |14 |15 | |14 |14 |14 |196 |2744 | |16 |15 |22 |19 |16 | |15 |11 |25 |165 |2475 | |19 |20 |22 |18 |17 | |16 |8 |33 |128 |2048 | |20 |20 |18 |19 |14 | |17 |8 |41 |136 |2312 | |14 |22 |16 |20 |14 | |18 |9 |50 |162 |2916 | |18 |21 |20 |21 |23 | |19 |10 |60 |190 |3610 | |18 |14 |21 |14 |15 | |20 |6 |66 |120 |2400 | |23 |19 |15 |14 |19| |21 |13 |79 |273 |5733 | |22 |21 |22 |19 |18 | |22 |8 |87 |176 |3872 | |21 |17 |14 |16 |18 | |23 |8 |95 |184 |4232 | |15 |23 |21 |21 |22 | | | | |1730 |32342 | |23 |23 |17 |23 |19 | | | | | | | |18 |14 |15 |18 |14 | | | | |Mínimo = |14 | |22 |23 |16 |23 |21 | |n= |95 | |Máximo = |23 | |14 |14 |21 |15 |19 | |S(x) = |1730 | |Rango= |9 | |15 |15 |21 |17 |16 | |S(x2) = |32342 | |s2 = |8.91265398 ||21 |21 |21 |14 |16 | |Promedio = |18.2105263 | |s = |2.98540684 | |17 |18 |22 |19 |15 | |Moda = |14 | |s2 = |8.81883657 | |19 |17 |20 |15 |17 | |Mediana = |18 | |s = |2.9696526 | | 
 
Datos 2 | | | | |x |f |fa |fx |fx2 | |21 |24 |19 |22 |19 | |15 |8 |8 |120 |1800 | |24 |19 |18 |23 |17 | |16 |10 |18 |160 |2560 | |15 |20 |16 |21 |24 | |17 |11 |29 |187 |3179 | |15 |18 |24 |17 |16 | |18 |9 |38 |162|2916 | |15 |20 |15 |23 |23 | |19 |13 |51 |247 |4693 | |22 |20 |20 |16 |19 | |20 |9 |60 |180 |3600 | |21 |17 |18 |18 |19 | |21 |9 |69 |189 |3969 | |17 |18 |22 |17 |23 | |22 |10 |79 |220 |4840 | |22 |20 |23 |19 |22 | |23 |7 |86 |161 |3703 | |21 |20 |19 |24 |23 | |24 |9 |95 |216 |5184 | |18 |19 |19 |20 |18 | | | | |1842 |36444 | |21 |24 |15 |21 |19 | | | | | | | |16 |17 |24 |17 |17 | | | | |Mínimo= |15 | |21 |16 |15 |16 |22 | |n= |95 | |Máximo = |24 | |16 |22 |19 |24 |24 | |S(x) = |1842 | |Rango= |9 | |17 |22 |21 |16 |22 | |S(x2) = |36444 | |s2 = |7.75095185 | |23 |16 |15 |19 |20 | |Promedio = |19.3894737 | |s = |2.78405313 | |22 |18 |16 |15 |17 | |Moda = |19 | |s2 = |7.66936288 | |19 |17 |20 |21 |18 | |Mediana = |19 | |s = |2.76936146 | | 
Datos 3 | | | | |x |f |fa |fx |fx2 | |13 |22 |19|18 |19 | |13 |11 |11 |143 |1859 | |17 |13 |13 |15 |17 | |14 |8 |19 |112 |1568 | |18 |20 |13 |14 |18 | |15 |10 |29 |150 |2250 | |15 |18 |21 |18 |17 | |16 |7 |36 |112 |1792 | |19 |21 |17 |15 |13 | |17 |13 |49 |221 |3757 | |17 |17 |21 |15 |15 | |18 |12 |61 |216 |3888 | |17 |18 |13 |21 |16 | |19 |5 |66 |95 |1805 | |13 |22 |17 |22 |20 | |20 |8 |74 |160 |3200 | |16 |19 |14 |14 |21 | |21 |12 |86 |252|5292 | |18 |15 |15 |13 |22 | |22 |9 |95 |198 |4356 | |14 |17 |15 |20 |17 | | | | |1659 |29767 | |16 |21 |13 |18 |22 | | | | | | | |22 |21 |16 |14 |14 | | | | |Mínimo = |13 | |22 |20 |13 |20 |13 | |n= |95 | |Máximo = |22 | |21 |18 |20 |21 |16 | |S(x) = |1659 | |Rango= |9 | |21 |14 |14 |18 |15 | |S(x2) = |29767 | |s2 = |8.46405375 | |16 |15 |21 |20 |17 | |Promedio = |17.4631579 | |s = |2.90930469 ||18 |17 |19 |22 |20 | |Moda = |17 | |s2 = |8.37495845 | |22 |16 |18 |17 |21 | |Mediana = |17 | |s = |2.89395205 | | 
Datos 4 | | | | |x |f |fa |fx |fx2 | |25 |17 |20 |18 |17 | |16 |9 |9 |144 |2304 | |16 |19 |22 |24 |25 | |17 |17 |26 |289 |4913 | |18 |23 |25 |16 |25 | |18 |8 |34 |144 |2592 | |18 |17 |24 |20 |19 | |19 |9 |43 |171 |3249 | |17 |23 |17 |23 |18 | |20 |7 |50 |140 |2800 | |25 |17 |25 |24|18 | |21 |6 |56 |126 |2646 | |22 |18 |18 |20 |20 | |22 |7 |63 |154 |3388 | |17 |23 |21 |19 |23 | |23 |13 |76 |299 |6877 | |18 |23 |23 |24 |17 | |24 |10 |86 |240 |5760 | |20 |22 |21 |24 |25 | |25 |9 |95 |225 |5625 | |25 |17 |24 |16 |21 | | | | |1932 |40154 | |24 |22 |25 |20 |16 | | | | | | | |17 |24 |16 |17 |23 | | | | |Mínimo = |16 | |23 |16 |17 |21 |24 | |n= |95 | |Máximo = |25 | |20 |21 |19...
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