defence exam INET Mock Test Quantitative Aptitude Elementary Statistics

यदि जनसंख्या का मानक विचलन 9.5 है, तो जनसंख्या विचरण क्या होगा?

A. 19

B. 90.25

C. 81. 25

D.  93 . 25

1
B
2
C
3
A
4
D
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