Download Ejercicios 31 a 64.docx PDF

TitleEjercicios 31 a 64.docx
TagsConfidence Interval Sampling (Statistics) Evaluation Methods Statistical Theory Research Methods
File Size245.4 KB
Total Pages13
Document Text Contents
Page 2

36) [ M −Z 

σ 

2
∗σ 

√ n
;M +Z 

σ 

2
∗σ 


]

(60-(2.17*0.75) ; 60+ (2.17*0.75)

-58.37 ; 61.627

37) [ M −Z 

σ 

2
∗σ 

√ n
;M +Z 

σ 

2
∗σ 


]

0.99 + 0.005=0.995

0.995-0.50=0.495

=2.58

8.2/50= 1.16

(70-2.58*1.16;70+2.58*1.16)

-67.007 ; 72.99

38)  M −Z 

σ 

2
∗σ 

√ n
;M +Z 

σ 

2
∗σ 


¿

(1820-(1.96*98.38) ; 1820+(.96*98.38)

-1627; 2012.82

39) (50+( 1.96*2.92); 50+(1.96*2.92)

(44.28 ; 55.72)

40) (290+(1.96*27.95) ; 290 + (1.96*27.95)

(235.22 ; 344.78)

41) (14.38 + (1.29 *18.92) ; 14.38 + (1.29*1892)

(16821.68 ; 11940.32)

Similer Documents