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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Related Book For
Principles Of Managerial Statistics And Data Science
ISBN: 9781119486411
1st Edition
Authors: Roberto Rivera
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