Repaso Media, Desviación Estándar, Varianza y Jerarquía
Quiz
•
Mathematics
•
University
•
Practice Problem
•
Medium
CYNDI TRIGUEROS
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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A continuación, se muestran el nivel de disminución de colesterol de 6 voluntarios luego de dos semanas de una dieta especial y ejercicios.
0.8 ; 0.6 ; 0.7 ; 0.8 ; 0.4 ; 0.9
Calcula la media y la desviación estándar muestral.
x̄ = 0.16
σ = 0.7
x̄ = 0.7
σ = 0.17
x̄ = 0.7
σ = 0.16
x̄ = 0.65
σ = 0.16
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Medida cuyo símbolo es: σ2
Desviación media
Varianza
Coeficiente de Variación
Desviación Típica
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
En una empresa donde se empacan bananas se seleccionan 10 cajas para pesarlas y los datos son:
16 26 5 18 12 14 4 12 26 24
¿Cuál es la varianza muestral?
56.81
63.12
7.53
7.94
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Obtener la varianza muestral para la siguiente lista de datos
44,68,97,61
22.09
365.95
488.3
19.13
5.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
Calcula el valor de la siguiente operación
6.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
Calcula el valor de la siguiente operación:
7.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
10 / 2 + 5 X 3 + 4 - 5 X 2 - 8 + 4 X 2 - 16 / 4
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