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SUBJECT: MACHINE LEARNING QUESTION: What is significance of stationary from a time series? 1. Mean, variance and autocorrelation will change overtime in a stationary time

SUBJECT: MACHINE LEARNING

QUESTION: What is significance of stationary from a time series?

1. Mean, variance and autocorrelation will change overtime in a stationary time series

2. None of the options are correct

3. Stationary time series cannot be forecasted

4. A stationary time series will be flawed and inefficient

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