0, 1, 2, 3 ______ 9 యొక్క ప్రామాణిక విచలనం K అయితే, 10, 11, 12, 13 _____ 19 యొక్క ప్రామాణిక విచలనం ఇలా ఉంటుంది:

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RRC Group D Previous Paper 10 (Held On: 28 Sep 2018 Shift 1)
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  1. K + 1
  2. K
  3. K + 4
  4. K + 8

Answer (Detailed Solution Below)

Option 2 : K
Free
RRB Group D Full Test 1
100 Qs. 100 Marks 90 Mins

Detailed Solution

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సూత్రం σ2 = ∑(xi – x)2/n

ప్రతి అంశం 10 పెరుగుతుంది కాబట్టి, ప్రామాణిక విచలనంలో మార్పు ఉండదు ఎందుకంటే (xi - x) అదే విధంగా ఉంటుంది.

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