railway RPF SI Mock Test Series 2024 Quantitative Aptitude Standard Deviation

जर लोकसंख्येचे मानक विचलन 12 असेल तर लोकसंख्येतील प्रचरण किती असेल?

A. 144

B. 24

C. 72

D. 36

1
B
2
C
3
D
4
A
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