4.

An analyst ran three models as following with the respective training and validation periods error values:

1. Linear Trend; Training Period RMSE = 1246.43, Validation Period RMSE = 2130.43

2. Exponential Trend + Seasonality: Training Period RMSE = 643.44, Validation Period RMSE = 690.88

3. Polynomial Trend + Seasonality: Training Period RMSE = 689.09, Validation Period RMSE = 603.78

Based on the above information, please select the right statement below:

	a.	Exponential Trend + Seasonality model can forecast future values better than others
	b.	Polynomial Trend + Seasonality model can forecast future values better than others
	c.	Linear model can forecast future values better than others
	d.	None of the above statements are correct.