Home Back

JEE Mains 06-Sep-2020 Shift 1 Solved Paper

Section: Mathematics
© examsiri.com
Question : 58 of 75
 
Marks: +1, -0
If
n
∑
i=1
(xi−a)=n and
n
∑
i=1
(xi−a)2=na,(n,a>1) then the standard deviation of n observations x1,x2,..,xn is
[6 Sep 2020 Shift 1]
Validate
Go to Question:
Prev Question
Next Question