यदि एक जनसंख्या का मानक वि� – McqOptions

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1.	यदि एक जनसंख्या का मानक विचलन 6.5 है, तो इसका प्रसरण क्या होगा -
A.	40.25
B.	42.25
C.	18.25
D.	13
Answer» C. 18.25

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