I need an answer to my question asap. thanks

I. True/False/Uncertain - Briefly explain. No credit without an explanation (5 marks each).

1. Cross validation is used to avoid overfitting.

2. The model averaging procedure would use all the data to estimate the coefficients.

3. Logit model is preferred to Probit model.

4.The higher the cutoff value for classification, the higher the specificity.

5. Cumulative Logit model is preferred to Multinomial Logit