EXAMEN MUESTREO ESTADISTICO

GUTIERREZ GASTELUM ALEXIS MICHAEL

Población 1, 4, 8, 9, 13, 16 (Tamaño 3)

µ=1+4+8+9+13+166

=516

=8.5

¿(1−8.5)2+(4−8.5)2+(8−8.5)2+(9−8.5)2+(13−8.5)2+(16−8.5)2

6=153.5

6=25.58

¿√25.58=5.05

❑6C3=6 !

3 ! (6−3 )!=

(6 ) (5 ) (4 ) (3 )!(3)(2)(1)(3 !)

=1206

=20

(1,4,8) (1,4,9) (1,4,13) (1,4,16) (1,8,9) (1,9,13) (1,9,16) (1,13,16) (4,8,9) (4,8,13)

(4,9,13) (4,9,16) (8,9,13) (8,9,16) (9,13,16) (13,16,1) (13,16,4) (13,16,8) (13,16,9) (16,1,4)

13/3=4.33

10/3=3.33

18/3=6

21/3=7

18/3=6

23/3=7.66

26/3=8.66

30/3=10

21/3=7

25/3=8.33

26/3=8.66

29/3=9.66

30/3=10

33/3=11

38/3=12.66

30/3=10

33/3=11

37/3=12.33

38/3=12.66

21/3=7

=173.2820

=8.66

¿ (4.33−8.66 )2+(3.33−8.66 )2+(6−8.66 )2+ (7−8.66 )2+ (6−8.66 )2+¿

(7.66−8.66)2+(8.66−8.66)2+(10−8.66)2+(7−8.66)2+¿

(8.33−8.66)2+(8.66−8.66)2+(9.66−8.66)2+(10−8.66)2+(11−8.66)6+¿

(12.66−8.66)2+(10−8.66)2+(11−8.66)2+(12.33−8.66)2+(12.66−8.66)2+¿

(7−8.66)2

¿ 134.4820

=6.72

=√6.72=2.59