A variable defined in the main () function is called a global variable.

变量在程序中的可用范围称为该变量的作用域。The scope of a specific variable used in a program is called the scope of the variable.

​变量在程序中的可用范围称为该变量的作用域。‏​The scope of a specific variable used in a program is called the scope of the variable.‏

具体变量在程序中的使用范围称为该变量的作用域。The scope of a specific variable used in a program is called the scope of the variable.

If you were to run an experiment on the effects of temperatures on aggressive behavior, aggressive behavior would be the ________. A: hypothesis B: dependent variable. C: independent variable D: correlation coefficient

When a Boolean variable is multiplied by its complement, the result is the variable.当一个布尔变量跟它的反变量相乘，结果是这个变量本身。

具体变量在程序中的使用范围称为该变量的作用域。The scope of a specific variable used in a program is called the scope of the variable. A: 正确 B: 错误

In the following statement, which cannot be a coding standard? A: Construct an appropriate layout of the code. B: Make a meaningful name of the variable meaningful. C: Make a short name of the variable. D: Add comments.

The classification of student class designation (freshman, sophomore, junior, senior) is an example of A: a categorical random variable. B: a discrete random variable. C: a continuous random variable. D: a parameter.

Relevant costs are only variable.