Find the standard deviation of X 1 X 2 when a) n 1 50, 2 1 25, n 2 65, 2 2 25 b) n 1 200, 2 1 100, n 2 , 150, 2 2 47 ...

The standard deviation of the difference between two sample means X1 X2 ...

Find the standard deviation of X 1 - X 2 when a) n 1 = 50,

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Find the standard deviation of X̅₁ - X̅₂ when

a) n₁ = 50, σ²₁ = 25, n₂ = 65, σ²₂ = 25.

b) n₁ = 200, σ²₁ = 100, n₂, = 150, σ²₂ = 47.

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Principles Of Managerial Statistics And Data Science

ISBN: 9781119486411

1st Edition

Authors: Roberto Rivera

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Question Posted: Aug 09, 2023 09:39 AM

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Find the standard deviation of X 1 - X 2 when a) n 1 = 50,

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Principles Of Managerial Statistics And Data Science

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