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MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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i need tthis in words soi copy paste 

i dony need pic

RR Console
> x=c (36, 41,43,33,41,42,38,38,38,37,39,37,38,40,43);x
[1] 36 41 43 33 41 42 38 38 38 37 39 37 38 40 43
> n=length (x) ;n
[1] 15
> m=mean (x);m
[1] 38.93333
> sd=sqrt (var (x)); sd
[1] 2.76371
> alpha=0.05;alpha
[1] 0.05
> a=qt ( (1- (alpha/2)),n-1);a
[1] 2.144787
> #95% confidence interval
> lower_limit=m-a*(sd/sqrt (n));lower_limit
[1] 37.40284
> upper_limit=m+a* (sd/sqrt (n) );upper limit
[1] 40.46383
> |
Transcribed Image Text:RR Console > x=c (36, 41,43,33,41,42,38,38,38,37,39,37,38,40,43);x [1] 36 41 43 33 41 42 38 38 38 37 39 37 38 40 43 > n=length (x) ;n [1] 15 > m=mean (x);m [1] 38.93333 > sd=sqrt (var (x)); sd [1] 2.76371 > alpha=0.05;alpha [1] 0.05 > a=qt ( (1- (alpha/2)),n-1);a [1] 2.144787 > #95% confidence interval > lower_limit=m-a*(sd/sqrt (n));lower_limit [1] 37.40284 > upper_limit=m+a* (sd/sqrt (n) );upper limit [1] 40.46383 > |
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