Forindependentobservations,var(i Yi) = i var(Yi). Explainintuitivelywhy i Yi has a larger variancethanasingleobservation Yi.
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Forindependentobservations,var(Σi Yi) = Σi var(Yi). Explainintuitivelywhy Σi Yi has a larger variancethanasingleobservation Yi.
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Related Book For
Foundations Of Statistics For Data Scientists With R And Python
ISBN: 9780367748456
1st Edition
Authors: Alan Agresti
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