Tema 1 Estadística Bàsica
Quiz
•
Mathematics
•
Professional Development
•
Hard
Jose Albiach
Used 7+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Totalitat d'individus o elements sobre els que es pot observar una característica susceptible de ser estudiada:
Univers
Mostra
Element
Model
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Donada la variable "Qualitat del servici rebut". Com la classificaries?
Nominal (Quantitativa)
Ordinal (Qualitativa)
Discreta
Continua
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El percentil 50 és tambe
La variància
La desviació típica
la mediana
la mitjana
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Les mesures de posició tenen l'objecte de situar els elements dintre de la distribució. Quina de les següents mesures és de posició?
Coeficient de Pearson
Variància
Curtosis
Q1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula la mitjana de: -2, 3, 2, -3, 5
1
0
-1
Cap de les anteriors
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un valor alt de la desviació típica significa que...
Les dades estan agrupades
Les dades estan disperses
No significa res
Les dades estan desordenades
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Per a comparar les dispersions entre variables estadístiques utilizem el coeficient de Pearson (marca la falsa)
És un estdístic adimensional
Quan és gran signfica dispersió
És el quocient de la mitjana entre la variància
cap de les anterios
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