Hi there, help me to answer and understand this question. Which of the following statements do, in part, explain why the more complex models have a

Hi there, help me to answer and understand this question.

Which of the following statements do, in part, explain why the more complex models have a higher MAPE (Mean Absolute Percentage Error)?

Select the best answer

a) MAPE captures forecast bias, and the more complex models are biased upwards

b) None of the forecast models include a seasonal component, while the incoming calls display strong seasonality

c) If the training data set was larger, the more complex models would be more accurate

d) None of the above