ML_essentials_How can bias and variance be used to determine under- and over-fitting?

[izxi]

How can bias and variance be used to determine under- and over-fitting?

Select one or more:

• A. If the variance is very low but bias very high, we should be cautious of under-fitting
• B. If the bias is very low but the variance is very high, we should be cautious of under-fitting
• C. If the variance is very low but bias very high, we should be cautious of over-fitting
• D. If the bias is very low but the variance is very high, we should be cautious of over-fitting

[rysbekova]

https://chemicalstatistician.wordpress.com/2014/03/19/machine-learning-lesson-of-the-day-overfitting-and-underfitting/ D, A