Question
Download Solution PDF20 प्रेक्षणों का प्रसरण = 5। यदि प्रत्येक प्रेक्षण को 5 से गुणा किया जाए तो नया प्रसरण क्या होगा?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFअवधारणा:
प्रत्येक मान को एक स्थिरांक से गुणा करना: - हालाँकि, माध्य, माध्यिका, चतुर्थक, परास, अंतःचतुर्थक परास और मानक विचलन को उसी स्थिरांक से गुणा करेगा, और विचरण को उस स्थिरांक के वर्ग से गुणा करेगा।
Var X =
गणना:
Var X =
नए प्रेक्षण = 5X1, 5X2, ...,5X20
नया
=
= 5Xold
नया Var X =
= 25 ×
= 25 × 5
= 125
Last updated on Jun 26, 2025
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