Question

If the mean and variance of a Time Series is constant over time , it is called a _____________ Time Series.

1- Stable
2- Constant
3- Fixed
4- Stationary

Answer 1

Hello mate!
Your answer is If the mean and variance of time series is constant over time,it is called stationery time series.
Hope this helps you ✌ ✌

Answer 2

Hello

Option D is correct

Stationary time series

Thanks!