Describe either a stationary or non stationary series

Reference no: EM13694641

The following statements describe either a stationary or non stationary series. Indicate which statement is stationary and which one is non stationary series.

a. A series that has a trend

b. A series whose mean and variance remain constant over time

c. A series whose mean value is changing over time

d. A series that contains no growth or decline

Reference no: EM13694641

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