यदि λ प्राचल वाले एक प्वासां जनसंख्या का यादृच्छिक प्रतिदर्श 4, 5, 6, 6, 6, 6, 6, 6, 6, 7 है, तो λ का अनभिनत आकल है:

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SSC CGL Tier-II ( JSO ) 2016 Official Paper ( Held On : 2 Dec 2016 )
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  1. 4.2
  2. 5
  3. 5.8
  4. 6

Answer (Detailed Solution Below)

Option 3 : 5.8
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सूत्र

λ  = N/n

गणना

N = (4 + 5 + 6 + 6 + 6 + 6 + 6 + 6 + 6 + 7) = 58

N = 10

⇒ λ = 58/10

∴ λ का अनभिनत आकल 5.8 है।

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