
Dear List
 
>From a sample size of 40 I have calculated retrun level values for 2,5,10,25,50 and 100 years using a exponentail disrtibution as follows;
                             Now how can I calculate confidence interval for each return levels?
seeking your help. Thank you
 






         yr
    return     level

2
1.980421

5
4.598394

10
6.578815

25
9.196788

50
11.17721

100
13.15763
 

 


      
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