Question
Download Solution PDFदो समूहों के अध्ययन में, निम्नलिखित परिणाम प्राप्त किए गए :
|
समूह A |
समूह B |
प्रतिदर्श आमाप |
20 |
25 |
प्रतिदर्श माध्य |
22 |
23 |
प्रतिदर्श मानक विचलन |
10 |
12 |
निम्नलिखित कथनों में से कौन सही है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFधारणा:
\({\rm{Coefficient\;of\;variation}} = \frac{{{\rm{standard\;deviation}}}}{{{\rm{mean}}}}\)
गणना:
समूह A के लिए भिन्नता का गुणांक = 10/22 = 0.4545
समूह B के लिए भिन्नता का गुणांक = 12/23 = 0.522
समूह A समूह B की तुलना में कम परिवर्तनशील है क्योंकि समूह A का विभिन्नता का गुणांक छोटा है।
Last updated on Jun 18, 2025
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