What Is the Output of the Following Program?
#Include ≪iostream> $\quad$

question 48

Multiple Choice

What is the output of the following program?
#include <iostream>
using namespace std;
class TestClass
{
Public:
$\quad$ TestClass(int x)
$\quad$ { cout << x << endl; }
$\quad$ TestClass()
$\quad$ { cout << "Hello!" << endl; }
};
Int main()
{
$\quad$ TestClass test;
$\quad$ return 0;
}

• A) the program runs but there is no output.
• B) 0
• C) Hello!
• D) the program will not compile

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Definitions:

Regression Equation

A formula that represents the relationship between a dependent variable and one or more independent variables, used to predict or estimate outcomes.

SSE

Cumulative squared discrepancies between predicted values by a model and the corresponding actual data points.

Coefficient Of Determination

A measure used in statistical analysis that assesses how well a model explains and predicts future outcomes, represented as a value between 0 and 1.

Dependent Variable

The variable in an experiment or study that is expected to change in response to changes in another variable known as the independent variable.