Mathematics · Statistics
दो प्रयोगों में से प्रत्येक में, एक प्रेक्षणीय (observable) के 5 माप लिए गए। पहले प्रयोग से माध्य 80 और मानक विचलन 4 प्राप्त हुआ, जबकि दूसरे प्रयोग से माध्य 100 और मानक विचलन 5 प्राप्त हुआ। डेटा का संयुक्त मानक विचलन (combined standard deviation) क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 24.83
- 36.52
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