When You Finish Writing the Abstract Class, What Must the Subclasses

question 16

Multiple Choice

When you finish writing the abstract class, what must the subclasses do to use it?

• A) reference the abstract class in their __init__ method.
• B) copy the code to the subclass file
• C) nothing, the abstract class is automatically included in the subclass
• D) import the abstract class

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Definitions:

Null Hypotheses

Hypotheses that state there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.

Main Effect

The direct influence of an independent variable on a dependent variable in an experiment, ignoring the effects of all other independent variables.

Factorial ANOVA

A statistical method designed to evaluate the impact of two or more variables acting independently at various levels on an outcome variable.

Interaction Effect

Occurs when the effect of one independent variable on the dependent variable changes depending on the level of another independent variable.