జనాభా యొక్క ప్రామాణిక విచలనం 10 అయితే, జనాభా విస్తృతి ఎంత?

A. 100

B. 30

C. 5

D. 20

  1. D
  2. B
  3. A
  4. C

Answer (Detailed Solution Below)

Option 3 : A
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Detailed Solution

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సరైన సమాధానం 100.

 Key Points

  • విస్తృతి అనేది ప్రామాణిక విచలనం యొక్క వర్గము .
  • ఇక్కడ ఇచ్చిన జనాభా యొక్క ప్రామాణిక విచలనం 10.
  • కాబట్టి, జనాభా విస్తృతి= 102 = 100.
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