
Preguntas de Estadística
Authored by Alejandro Montero
Mathematics
8th Grade
Used 1+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Si la desviación típica de un conjunto de datos es 5 y la media es 20, el coeficiente de variación es:
0.25
0.20
0.15
0.30
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si en una encuesta se pregunta la edad de las personas, la variable es:
Cualitativa nominal
Cualitativa ordinal
Cuantitativa continua
Cuantitativa discreta
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
La media aritmética de los datos 4, 8, 15, 16, 23, 42 es:
14
17
18
19
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En una distribución normal, aproximadamente, ¿qué porcentaje de los datos se encuentra dentro de una desviación típica de la media?
50%
68%
95%
99%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una variable cuantitativa discreta es:
Número de hermanos
Altura
Temperatura
Tiempo
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes es una variable cualitativa?
Altura
Peso
Color de ojos
Edad
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dado el conjunto de datos 10, 20, 20, 30, 30, 30, 40, ¿cuál es la moda?
20
30
40
No hay moda
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