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tabla de frecuencias( moda , media , mediana)

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es una practica dirigida o una tarea que se basa en tablas de frecuencias con media moda mediana

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  • September 25, 2024
  • 2
  • 2023/2024
  • Exam (elaborations)
  • Only questions
  • Secondary school
  • Bachillerato
  • 4
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FICHA DE TRABAJO 3. Se muestra la frecuencia de la cantidad de bolas
metidas en 2 horas por Eduardo y sus amigos.
Alumno(a):………………………………………….…………… [ Li – Ls > fi

10 – 20 2
COMPETENCIA: Resuelve problemas de gestión de datos e
incertidumbre 20-30 3
CAPACIDAD: Usa estrategias y procedimientos para recopilar y
procesar datos. 30-40 5
PROBLEMAS
40-50 8
1. Dado el siguiente cuadro estadístico con ancho de
50-60 12
clase constante igual a 20.
[Li –Ls> xi fi Fi xifi
Se pide calcular la mediana.
880 a) 43 b) 46 c) 46, 25 d) 47
1950 e) 47, 25
35 1800 4. Se muestra las frecuencias absolutas de los sueldos
anuales en miles de soles de un grupo de
13
trabajadores.
[ Li – Ls > fi
200>
40 - 50 2
4 70
50-60 8
Determine la media de los datos.

a) 157 b) 158,5 c) 159 60-70 4

d) 160 e) 162,5 70-80 10

2. En el curso de matemáticas I; se tiene las notas de 80-90 6
los alumnos distribuidas según el siguiente
Se pide calcular la moda
histograma de frecuencias:
Alumnos a) 72b) 73 c) 74d) 75e) 76
14
5. Dada la siguiente distribución de frecuencias.
12
[ Li – Ls > fi
10
8 16-32 6
6
4 32-48 n
2
48-64 8
4 6 8 10 12 14 Notas
64-80 3n
Entonces la nota promedio del curso es:
80-96 3
)
a) 8, 3% b) 8 ,6% c) 8, 46%
Se pide calcular el valor de “n” sabiendo que la moda es
) 60 y pertenece al tercer intervalo.
d) 9, 2% e) 9, 12 6 %
a) 1 b) 2c) 3d) 4e) 5




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