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Ejercicios
1) En un examencalificadodel 0al 20, un grupo de 5 alumnosobtuvieronlos
siguientespuntajes:15,16, 12, 16, 13. Calcularlamediana.
Solución
Ordenadolosdatosenforma ascendente
12, 13, 15, 16, 16
Ubicandoel lugar endonde se encuentralaMe
𝐿𝑢𝑔𝑎𝑟 =
𝑛 + 1
2
=
5 + 1
2
= 3
12, 13, 15, 16, 16
𝑀𝑒 = 15
2) Calcularla medianade lossiguientesdatos
# de hijos Frecuencia
0
1
2
3
4
5
8
12
5
3
Total 33
3) Calcularla medianade los siguientesdatos
Edad Frecuencia
[27-32) 4
[32-37) 6
[37-42) 7
[42-47] 3
Total 20

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Clase 10 estadística general-practica

  • 1. Ejercicios 1) En un examencalificadodel 0al 20, un grupo de 5 alumnosobtuvieronlos siguientespuntajes:15,16, 12, 16, 13. Calcularlamediana. Solución Ordenadolosdatosenforma ascendente 12, 13, 15, 16, 16 Ubicandoel lugar endonde se encuentralaMe 𝐿𝑢𝑔𝑎𝑟 = 𝑛 + 1 2 = 5 + 1 2 = 3 12, 13, 15, 16, 16 𝑀𝑒 = 15 2) Calcularla medianade lossiguientesdatos # de hijos Frecuencia 0 1 2 3 4 5 8 12 5 3 Total 33 3) Calcularla medianade los siguientesdatos Edad Frecuencia [27-32) 4 [32-37) 6 [37-42) 7 [42-47] 3 Total 20