यदि आवृत्ति वितरण का माध्य 100 है और भिन्नता का गुणांक 45% है तो प्रसरण का मान क्या है?

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NDA (Held On: 18 Apr 2021) Maths Previous Year paper
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  1. 2025
  2. 450
  3. 45
  4. 4.5

Answer (Detailed Solution Below)

Option 1 : 2025
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Detailed Solution

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अवधारणा:

प्रसरण का गुणांक =

प्रसरण = (मानक विचलन)2

गणना:

दिया गया है कि प्रसरण का गुणांक = 45% = 0.45

और माध्य = 100

प्रसरण के गुणांक के रूप में =

0.45 =

मानक विचलन = 100 × 0.45

SD = 45

∴ प्रसरण = 452 = 2025

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