repaso del 6 al 10
Quiz
•
Mathematics
•
1st Grade
•
Practice Problem
•
Hard
+8
Standards-aligned
Estadística Vega
Used 1+ times
FREE Resource
57 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
El percentil 60 corresponde a aquella puntuación directa que tiene por encima de sí:
Al 40% de los sujetos de su grupo
Al 60% de los sujetos de su grupo
A un porcentaje de sujetos que depende de la distribución
Tags
CCSS.6.SP.B.5C
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
El coeficiente de correlación adecuado para investigar la relación entre variable continua y otra dicotomizada sería:
El biserial
El tetracórico
El biserial-puntual
Tags
CCSS.HSS.ID.C.9
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Si deseamos estimar el grado de asociación entre dos variables de nivel nominal, acudiríamos al coeficiente de:
Pearson
Contigencia
Spearman
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Siguiendo el procedimiento de Spearman-Brown se obtiene un coeficiente de correlación de 0.95. Podemos afirmar, por tanto, que el instrumento que se está estudiando es:
A. Muy fiable
B. Valido
C. Poco fiable
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Para medir la proporción de varianza explicada a partir de una prueba utilizamos el coeficiente de:
De valor predictivo
Determinación
Alienación
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
El porcentaje de variable que tiene un comportamiento normal es:
68%
50%
95%
Tags
CCSS.HSS.ID.A.4
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Cuando todas las unidades de muestreo o sujetos de la población tienen, a priori, las mismas posibilidades de ser seleccionados para integrar la muestra estamos ante un
muestreo:
Incidental
Aleatorio simple
Por cuotas
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