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1 of 5
7 )
Solución:
Ordenando datos de forma ascendentes:
1.724 1.730 1.733 1.735 1.737 1.740
1.725 1.730 1.733 1.735 1.737 1.740
1.726 1.731 1.734 1.735 1.737 1.741
1.727 1.731 1.734 1.735 1.738 1.741
1.727 1.732 1.734 1.736 1.738 1.742
1.728 1.732 1.734 1.736 1.738 1.742
1.728 1.732 1.735 1.736 1.739 1.743
1.729 1.732 1.735 1.736 1.739 1.744
1.729 1.732 1.735 1.736 1.739 1.745
1.730 1.733 1.735 1.736 1.740 1.746
Diámetro en
centímetros
Frecuencia
(F)
Fx Fr%
1.724 1 1.724 (1/60)x100= 1.66
1.725 1 1.725 (1/60)x100= 1.66
1.726 1 1.726 (1/60)x100= 1.66
1.727 2 3.454 (2/60)x100= 3.33
1.728 2 3.456 (2/60)x100= 3.33
1.729 2 3.458 (2/60)x100= 3.33
1.730 3 5.19 (3/60)x100= 5
1.731 2 3.462 (2/60)x100= 3.33
1.732 5 8.6698 (5/60)x100= 8.33
1.733 3 5.199 (3/60)x100= 5
1.734 4 6.936 (4/60)x100= 6.66
1.735 8 13.88 (8/60)x100= 13.33
1.736 6 10.416 (6/60)x100= 10
1.737 3 5.211 (3/60)x100= 5
1.738 3 5.214 (3/60)x100= 5
1.739 3 5.217 (3/60)x100= 5
1.740 3 5.22 (3/60)x100= 5
1.741 2 3.482 (2/60)x100= 3.33
1.742 2 3.484 (2/60)x100= 3.33
1.743 1 1.743 (1/60)x100= 1.66
1.744 1 1.744
(1/60)x100= 1.66
1.745 1 1.745 (1/60)x100= 1.66
1.746 1 1.746 (1/60)x100= 1.66
TOTAL 60 Fx= 104.1018 100%
Determinado número de clases:
C = 1+3.32 log n
C = 1+3.32 log 60
C = 6.90
𝟐𝟔
> 𝒏
𝟐𝟔
> 𝟔𝟎 90 > 𝟔𝟎
𝟐𝟔
> 𝟔𝟎
Determinando intervalo de clase:
I = (PM-PM)/C
I= (1.746-1.724)/6
I= 22/6
I= 3.66 aprox = 4
Distribución de frecuencias:
Diametros en
centimetros
F Fr Fr%
⌈𝟏.𝟕𝟐𝟒 − 𝟏.𝟕𝟐𝟕⌉ 5 5/60 = 0.083 8. 33
⌈𝟏.𝟕𝟐𝟖 − 𝟏.𝟕𝟑𝟏⌉ 9 9/60= 0.15 15
⌈𝟏.𝟕𝟑𝟐 − 𝟏.𝟕𝟑𝟓⌉ 20 20/60= 0.33 33. 33
⌈𝟏.𝟕𝟑𝟔 − 𝟏.𝟕𝟑𝟗⌉ 15 15/60= 0.25 25
⌈𝟏.𝟕𝟒𝟎 − 𝟏.𝟕𝟒𝟑⌉ 8 8/60= 0.13 13.33
⌈𝟏.𝟕𝟒𝟒 − 𝟏.𝟕𝟒𝟕⌉ 3 3/60= 0 .05 5
TOTAL 60 ∑ 𝟏 100 %
14) La tabla muestra la espera en minutos de un cliente al hacer la cola en las ultimas 80
entidades bancarias visitadas.
Responder:
a) ¿Cuál es la frecuencia relativa acumulada del 4 intervalo?
b) ¿Qué intervalo representa el mayor porcentaje?
c) ¿En qué clase se concentra el menor tiempo de espera?
d) ¿Interpreta la frecuencia acumulada del 5 intervalo?
12 14 9 10 8 26 27 14 13 14
3 5 10 8 7 7 6 13 12 21
25 27 22 7 12 12 13 19 18 17
28 30 25 21 15 15 16 21 20 14
14 16 11 18 21 8 9 10 9 9
7 9 4 32 20 4 5 8 7 18
8 8 12 11 16 31 24 26 25 26
6 6 18 10 14 22 23 31 30 12
R Rango= Xmax-Xmin = 32-3 29
K Intervalo= 1+3,322*Log80=7,32 8 Regla de sturges
A AMPLITUD= Rango/intervalo=3, 62 4
[𝐋𝐢 − 𝐋𝐬) X= (Li+Ls)/2 fr = f/n
Clase X Fi Fr (%) Fa Fra (%)
1 [3 - 7) 5 8 10,00 8 10,00
2 [7-11) 9 19 23,75 27 33,75
3 [11-15) 13 18 22,50 45 56,25
4 [15-19) 17 10 12,50 55 68,75
5 [19-23) 21 9 11,25 64 80,00
6 [23-27) 25 8 10,00 72 90,00
7 [27-31) 29 5 6,25 77 96,25
8 [31-35) 33 3 3,75 80 100,00
80 100,00
Li= límite inferior y Ls límite superior
fi= frecuencia absoluta
fr= Frecuencia relativa
n= Numero de datos
Fa= Frecuencia absoluta acumulada
Fra= Frecuencia relativa Acumulada
Respuestas:
A) 68,75%
B) El segundo intervalo con 23,75% de frecuencia relativa
C) En la primera clase (1ra) clase. Tiempo de espera de 3 a 6 minutos en
la cola del banco.
D) El cliente en el 64% de las visitas a los bancos, realizo una cola y
tardó al menos de 22 minutos (menos de 23 minutos) en la cola.
Aralys Rodríguez CI: 24427559
Sección: 2300

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Contemporary philippine arts from the regions_PPT_Module_12 [Autosaved] (1).pptx
 

Unidad 2 ejercicios frecuencia1

  • 1. 7 ) Solución: Ordenando datos de forma ascendentes: 1.724 1.730 1.733 1.735 1.737 1.740 1.725 1.730 1.733 1.735 1.737 1.740 1.726 1.731 1.734 1.735 1.737 1.741 1.727 1.731 1.734 1.735 1.738 1.741 1.727 1.732 1.734 1.736 1.738 1.742 1.728 1.732 1.734 1.736 1.738 1.742 1.728 1.732 1.735 1.736 1.739 1.743 1.729 1.732 1.735 1.736 1.739 1.744 1.729 1.732 1.735 1.736 1.739 1.745 1.730 1.733 1.735 1.736 1.740 1.746 Diámetro en centímetros Frecuencia (F) Fx Fr% 1.724 1 1.724 (1/60)x100= 1.66 1.725 1 1.725 (1/60)x100= 1.66 1.726 1 1.726 (1/60)x100= 1.66
  • 2. 1.727 2 3.454 (2/60)x100= 3.33 1.728 2 3.456 (2/60)x100= 3.33 1.729 2 3.458 (2/60)x100= 3.33 1.730 3 5.19 (3/60)x100= 5 1.731 2 3.462 (2/60)x100= 3.33 1.732 5 8.6698 (5/60)x100= 8.33 1.733 3 5.199 (3/60)x100= 5 1.734 4 6.936 (4/60)x100= 6.66 1.735 8 13.88 (8/60)x100= 13.33 1.736 6 10.416 (6/60)x100= 10 1.737 3 5.211 (3/60)x100= 5 1.738 3 5.214 (3/60)x100= 5 1.739 3 5.217 (3/60)x100= 5 1.740 3 5.22 (3/60)x100= 5 1.741 2 3.482 (2/60)x100= 3.33 1.742 2 3.484 (2/60)x100= 3.33 1.743 1 1.743 (1/60)x100= 1.66 1.744 1 1.744 (1/60)x100= 1.66 1.745 1 1.745 (1/60)x100= 1.66 1.746 1 1.746 (1/60)x100= 1.66 TOTAL 60 Fx= 104.1018 100% Determinado número de clases: C = 1+3.32 log n C = 1+3.32 log 60 C = 6.90 𝟐𝟔 > 𝒏 𝟐𝟔 > 𝟔𝟎 90 > 𝟔𝟎 𝟐𝟔 > 𝟔𝟎
  • 3. Determinando intervalo de clase: I = (PM-PM)/C I= (1.746-1.724)/6 I= 22/6 I= 3.66 aprox = 4 Distribución de frecuencias: Diametros en centimetros F Fr Fr% ⌈𝟏.𝟕𝟐𝟒 − 𝟏.𝟕𝟐𝟕⌉ 5 5/60 = 0.083 8. 33 ⌈𝟏.𝟕𝟐𝟖 − 𝟏.𝟕𝟑𝟏⌉ 9 9/60= 0.15 15 ⌈𝟏.𝟕𝟑𝟐 − 𝟏.𝟕𝟑𝟓⌉ 20 20/60= 0.33 33. 33 ⌈𝟏.𝟕𝟑𝟔 − 𝟏.𝟕𝟑𝟗⌉ 15 15/60= 0.25 25 ⌈𝟏.𝟕𝟒𝟎 − 𝟏.𝟕𝟒𝟑⌉ 8 8/60= 0.13 13.33 ⌈𝟏.𝟕𝟒𝟒 − 𝟏.𝟕𝟒𝟕⌉ 3 3/60= 0 .05 5 TOTAL 60 ∑ 𝟏 100 % 14) La tabla muestra la espera en minutos de un cliente al hacer la cola en las ultimas 80 entidades bancarias visitadas. Responder: a) ¿Cuál es la frecuencia relativa acumulada del 4 intervalo? b) ¿Qué intervalo representa el mayor porcentaje? c) ¿En qué clase se concentra el menor tiempo de espera? d) ¿Interpreta la frecuencia acumulada del 5 intervalo?
  • 4. 12 14 9 10 8 26 27 14 13 14 3 5 10 8 7 7 6 13 12 21 25 27 22 7 12 12 13 19 18 17 28 30 25 21 15 15 16 21 20 14 14 16 11 18 21 8 9 10 9 9 7 9 4 32 20 4 5 8 7 18 8 8 12 11 16 31 24 26 25 26 6 6 18 10 14 22 23 31 30 12 R Rango= Xmax-Xmin = 32-3 29 K Intervalo= 1+3,322*Log80=7,32 8 Regla de sturges A AMPLITUD= Rango/intervalo=3, 62 4 [𝐋𝐢 − 𝐋𝐬) X= (Li+Ls)/2 fr = f/n Clase X Fi Fr (%) Fa Fra (%) 1 [3 - 7) 5 8 10,00 8 10,00 2 [7-11) 9 19 23,75 27 33,75 3 [11-15) 13 18 22,50 45 56,25 4 [15-19) 17 10 12,50 55 68,75 5 [19-23) 21 9 11,25 64 80,00 6 [23-27) 25 8 10,00 72 90,00 7 [27-31) 29 5 6,25 77 96,25 8 [31-35) 33 3 3,75 80 100,00
  • 5. 80 100,00 Li= límite inferior y Ls límite superior fi= frecuencia absoluta fr= Frecuencia relativa n= Numero de datos Fa= Frecuencia absoluta acumulada Fra= Frecuencia relativa Acumulada Respuestas: A) 68,75% B) El segundo intervalo con 23,75% de frecuencia relativa C) En la primera clase (1ra) clase. Tiempo de espera de 3 a 6 minutos en la cola del banco. D) El cliente en el 64% de las visitas a los bancos, realizo una cola y tardó al menos de 22 minutos (menos de 23 minutos) en la cola. Aralys Rodríguez CI: 24427559 Sección: 2300