Question
Download Solution PDFयदि n पदों x1, x2, _ _ _ _ _, xn का माध्य और मानक विचलन क्रमशः x̅ और σ है, तो -x1, -x2, -x3, _ _ _ _ _, -xn का माध्य और मानक विचलन क्रमशः है:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFव्याख्या
x1, x2, ---------,xn का माध्य = x̅
⇒ -x1, -x2 -------- -xn का माध्य
⇒ -(x1 + x2 --------xn)/n का माध्य
⇒ नये पदों का माध्य = - x̅
मानक विचलन = √[(∑(xi - x̅)2/N]
(xi - x̅)2 सदैव घनात्मक है
∴ माध्य और मानक विचलन क्रमशः - x̅ और σ है।
Last updated on Jul 8, 2025
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