CHI CUADRADO
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
Fernando López
Used 53+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Se desea realizar una prueba de independencia entre el género de una persona y su tipo de música preferida. ¿Cuál sería la hipótesis alternativa?
El género es independiente al tipo de música preferida.
El género no es independiente al tipo de música preferida.
El género no es independiente a la canción preferida.
El género es independiente a la canción preferida
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En una prueba CHI cuadrado una de las variables tiene 3 posibles valores y la otra, 4 posibles valores. ¿Cuántos grados de libertad tiene?
12
9
6
4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En el test se tiene 8 grados de libertad y se ha considerado un nivel de significancia del 5%. Determine el crítico.
12,8
13,7
15,5
11,2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Halle la frecuencia esperada que corresponde a Hombres con nota 4 o 5.
48,5
48
47
49,5
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Según el grupo preferido de helado de acuerdo a la edad, determine el chi cuadrado calculado.
0,701
0,604
0,742
0,732
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La tabla muestra la cantidad de platos vendidos diferentes días de la semana. Halle el chic cuadrado calculado
0,865
0,840
0,837
0,836
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se desea analizar si el tipo de empleo es independiente al género. Halle el chi cuadrado calculado.
180
172
164
154
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