
TEST TEMA 3
Authored by Jose eusebio Blasco Martin
Chemistry
University
Used 3+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué mide la precisión en un experimento?
Proximidad entre el valor medido y el verdadero
Proximidad entre medidas repetidas
Error sistemático
Varianza de la media
Answer explanation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de error afecta a la exactitud?
Aleatorio
Indeterminado
Determinado
Gaussiano
Answer explanation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de error afecta a la precisión?
Determinado
Aditivo
Proporcional
Indeterminado
Answer explanation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un error proporcional positivo se expresa como:
xi = μi + k
xi = μi + kμi
xi = μi - k
xi = μi - kμi
Answer explanation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En un error constante negativo, la relación es:
xi = μi + k
xi = μi - k
xi = μi + kμi
xi = μi - kμi
Answer explanation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué característica NO pertenece a la distribución normal?
Es simétrica respecto a la media
Tiende a cero en ±∞
Tiene dos modas
Tiene puntos de inflexión en μ ± σ
Answer explanation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La varianza es:
√σ
σ²
1/σ
σ
Answer explanation
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