Question: a . Using mathematical notation, list the three properties of a stationary time series. b . A classic example of non - stationary time series

a. Using mathematical notation, list the three properties of a stationary time series.
b. A classic example of non-stationary time series is the Random Walk Model, State the equation of the random walk without drift.
c. Derive the mean of the equation you stated in part (b)
d. Derive the Variance of the equation you stated in part (b)
a. Using mathematical notation, list the three properties of a stationary

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