Apply the gain ratio measure to the table in Figure 17.16 to design a decision tree.

It is much easier to test relationships, data integrity rules, input masks, and other field properties after creating forms than it is to test them before creating the forms.

Answer the following statement true (T) or false (F)

The _________ keyword is used to define methods within a MustInherit class that must be implemented in a derived class for that derived class to be concrete.

a) Overridable b) Abstract c) MustOverride d) MustImplement.