QUESTION IMAGE
Question
ms. snyder sorted the votes received by each of the 6 student council candidates into separate piles. the piles contained: 49 votes 73 votes 42 votes 91 votes 33 votes 66 votes what was the mean absolute deviation of the numbers of votes received? if the answer is a decimal, round it to the nearest tenth. mean absolute deviation (mad): votes
Step1: Calcular la media
La media $\bar{x}$ se calcula sumando todos los valores y dividiendo entre el número de valores.
$$\bar{x}=\frac{49 + 73+42 + 91+33 + 66}{6}=\frac{354}{6}=59$$
Step2: Calcular la desviación absoluta de cada valor
Calculamos $|x_i-\bar{x}|$ para cada $x_i$:
- $|49 - 59|=10$
- $|73 - 59|=14$
- $|42 - 59|=17$
- $|91 - 59|=32$
- $|33 - 59|=26$
- $|66 - 59|=7$
Step3: Calcular la media de las desviaciones absolutas
Sumamos las desviaciones absolutas y dividimos entre el número de valores:
$$MAD=\frac{10 + 14+17 + 32+26 + 7}{6}=\frac{106}{6}\approx17.7$$
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$17.7$