
EXANI II - Estadística
Mathematics
12th Grade
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calcule la media de los datos que corresponden al crecimiento de 10 niños en un mes
3, 2, 5, 4, 0, 3, 0, 2, 1, 3
2.3
2.8
2.5
3.0
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La gráfica presenta la frecuencia absoluta de número de hijos en una muestra de 22 familias. ¿Cuántas familias tienen más de 1 hijo?
4
10
6
18
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cuál es el segundo cuartil de los datos?
(La mediana de los datos es 20)
20
25
16
15
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El número de camiones que transportan material para construcción utilizados durante 13 días es sucesivamente:
4, 6, 3, 2, 7, 8, 3, 5, 5, 7, 6, 6, 4
¿Cuál es la moda?
5
3
4
6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Es la moda de la siguiente serie de datos:
2, 6, 9, 5, 3, 6, 3, 6, 1, 2, 4
3.00
4.00
4.27
6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Las calificaciones finales que obtuvieron los alumnos en un curso fueron:
90, 100, 90, 80, 70
¿Cuál es la moda de los datos?
70
86
90
100
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En la tabla se presentan los pesos, en libras, de 34 personas. ¿Cuál es el valor de su mediana?
128
144
136
140
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