Find the median and mean of the data set below:25, comma, 47, comma, 36, comma, 4825,47,36,48
Question
Find the median and mean of the data set below:25, comma, 47, comma, 36, comma, 4825,47,36,48
Solution 1
Para encontrar la mediana y la media del conjunto de datos 25, 47, 36, 48, sigue estos pasos:
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Ordenar los datos: Primero, ordenamos los datos de menor a mayor: 25, 36, 47, 48
-
Encontrar la mediana: La mediana es el valor que se encuentra en el medio del conjunto de datos ordenados. Si el número de datos es par, la mediana es el promedio de los dos valores centrales.
- En este caso, hay 4 datos, así que tomamos los dos valores centrales (36 y 47) y calculamos su promedio:
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Calcular la media: La media es la suma de todos los valores dividida por el número de valores.
- Sumamos todos los valores:
- Dividimos la suma entre el número de valores (4):
Por lo tanto, la mediana del conjunto de datos es 41.5 y la media es 39.
Solution 2
Sure, let's start with the mean first.
Step 1: Add all the numbers together. 25 + 47 + 36 + 48 = 156
Step 2: Divide the sum by the total number of data points. 156 ÷ 4 = 39
So, the mean of the data set is 39.
Now, let's find the median.
Step 1: Arrange the data in ascending order. 25, 36, 47, 48
Step 2: Since there are an even number of data points, we take the average of the two middle numbers to find the median. (36 + 47) ÷ 2 = 41.5
So, the median of the data set is 41.5.
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