Consider the Classes Below, Declared in the Same File

question 1

Multiple Choice

Consider the classes below, declared in the same file:
class A {
Int a;
Public A() {
A = 7;
}
}
Class B extends A {
Int b;
Public B() {
B = 8;
}
}
Which of the statements below is false?

• A) Both variables a and b are instance variables.
• B) After the constructor for class B executes, the variable a will have the value 7.
• C) After the constructor for class B executes, the variable b will have the value 8.
• D) A reference of type A can be treated as a reference of type B.

---

Definitions:

Coefficient of Variation

A statistical measure that shows the dispersion of data points or distribution relative to the mean, usually expressed as a percentage.

Standard Deviation

It quantifies the dispersion of a dataset relative to its mean, indicating how spread out the data points are.

Variance

A measure of the spread between numbers in a data set, indicating how far each number in the set is from the mean.

Range

The difference between the highest and lowest values in a set of data.