AP EAPCET 27 May 2025 Shift 1 Paper

Section: Mathematics
© examsiri.com
Question : 34 of 160
 
Marks: +1, -0
If
9
∑
i=1
(xi−5)
=9
and
9
∑
i=1
(xi−5)2
=45
, then the standard deviation of the nine observations x1,x2,...,x9 is
[AP EAPCET 27 May 2025 S1]
Go to Question: