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Using the following data, calculate the mean absolute deviation:7 2 8 5 9 9 5 6 8 1What is the mean absolute deviation for these data? (4 points)2.266.58

Question

Using the following data, calculate the mean absolute deviation:7 2 8 5 9 9 5 6 8 1What is the mean absolute deviation for these data? (4 points)2.266.58

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Solution

Para calcular la desviación media absoluta (DMA) de los datos proporcionados, sigue estos pasos:

  1. Encuentra la media (promedio) de los datos.
  2. Calcula la desviación absoluta de cada dato respecto a la media.
  3. Encuentra la media de las desviaciones absolutas.

Paso 1: Encuentra la media

Primero, sumamos todos los valores y luego dividimos por la cantidad de datos.

Datos: 7, 2, 8, 5, 9, 9, 5, 6, 8, 1

Suma de los datos: 7+2+8+5+9+9+5+6+8+1=60 7 + 2 + 8 + 5 + 9 + 9 + 5 + 6 + 8 + 1 = 60

Cantidad de datos: 10

Media: Media=6010=6 \text{Media} = \frac{60}{10} = 6

Paso 2: Calcula la desviación absoluta de cada dato respecto a la media

Desviación absoluta de cada dato: 76=1 |7 - 6| = 1 26=4 |2 - 6| = 4 86=2 |8 - 6| = 2 56=1 |5 - 6| = 1 96=3 |9 - 6| = 3 96=3 |9 - 6| = 3 56=1 |5 - 6| = 1 66=0 |6 - 6| = 0 86=2 |8 - 6| = 2 16=5 |1 - 6| = 5

Paso 3: Encuentra la media de las desviaciones absolutas

Suma de las desviaciones absolutas: 1+4+2+1+3+3+1+0+2+5=22 1 + 4 + 2 + 1 + 3 + 3 + 1 + 0 + 2 + 5 = 22

Media de las desviaciones absolutas: DMA=2210=2.2 \text{DMA} = \frac{22}{10} = 2.2

Por lo tanto, la desviación media absoluta (DMA) para estos datos es 2.2.

This problem has been solved

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