stat ....

Asked by kirtichawla94 | 12th Feb, 2010, 08:54: AM

Expert Answer:

μ = Σ Xi /N

μ' = Σ (Xi + 2)/30

μ' = Σ (Xi + 2)/30

μ' = Σ Xi /18 + Σ2/30

μ' = Σ Xi /18 + 2Σ/30

μ' = 18 + 2x30/30       ...............we add 2, 30 times.

μ' = 20

New mean will also be increased by 2 i.e. it'll be 20.

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Answered by  | 12th Feb, 2010, 09:07: AM

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