Question

What is a variable? What are the different types of variables in an experiment?

Answer 1

Answer:

A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled. The independent variable is the one that is changed by the scientist.

Explanation:

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Answer 2

Explanation:

variable is a named unit of data that may be assigned a value. If the value is modified, the name does not change.

Some variables are mutable, meaning their values can change. Other variables are immutable, meaning their value, once assigned, cannot be deleted or altered.

If a variable's value must conform to a specific data type, it is called a typed variable.