పంపిణీ మధ్య వ్యత్యాసం 81 మరియు గుణకం వ్యత్యాసం 30%. అయితే సగటు ఎంత?

  1. 25
  2. 30
  3. 35
  4. 40

Answer (Detailed Solution Below)

Option 2 : 30
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Detailed Solution

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మనకు తెలుసు,

S.D=Variance=81=9

మరియు,

గుణకం యొక్క వ్యత్యాసం =S.DMean×100 

30=9Mean×100

⇒ సగటు = 30
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