To complete the sentence, select the appropriate option in the answer area.
You need to predict the income range of a given customer by using the following dataset.
Which two fields should you use as features? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
Which type of machine learning should you use to predict the number of gift cards that will be sold next month?
When training a model, why should you randomly split the rows into separate subsets?