:
something that changes or that can be changed
: something that varies. : a quantity that can have any one of a set of values or a symbol that represents such a quantity. See the full definition for variable in the English Language Learners Dictionary. variable. adjective.
What is variable and example?
A variable is
any characteristics, number, or quantity that can be measured or counted
. A variable may also be called a data item. Age, sex, business income and expenses, country of birth, capital expenditure, class grades, eye colour and vehicle type are examples of variables.
What is variable in simple words?
A variable is
a quantity that may change within the context
of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters x, y, and z are common generic symbols used for variables.
What is a variable short answer?
Answer: A variable is
a datatype whose value can not be fixed
. It can be change based on other parameters. For example, Let X is a variable so that its value can be anything like 1,2,3…… or a,p,r, or any word. It can not be fixed.
What is the variable in math?
Variable, In algebra,
a symbol (usually a letter) standing in for an unknown numerical value in an equation
. Commonly used variables include x and y (real-number unknowns), z (complex-number unknowns), t (time), r (radius), and s (arc length).
What are the 3 types of variables?
These changing quantities are called variables. 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
.
What is variable explain?
In programming, a variable is
a value that can change, depending on conditions or on information passed to the program
. … Usually, both constants and variables are defined as certain data type s.
What are the 5 types of variables?
- Independent variables. An independent variable is a singular characteristic that the other variables in your experiment cannot change. …
- Dependent variables. …
- Intervening variables. …
- Moderating variables. …
- Control variables. …
- Extraneous variables. …
- Quantitative variables. …
- Qualitative variables.
How do you identify variables?
An easy way to think of independent and dependent variables is, when you’re conducting an
experiment
, the independent variable is what you change, and the dependent variable is what changes because of that. You can also think of the independent variable as the cause and the dependent variable as the effect.
How do you explain variables to students?
What is a Variable? The easiest way to explain variables to kids is
with real-world examples
. The number 3 is a constant. If you say there are 3 apples in a basket, everyone knows exactly how many apples they should expect to see.
What are types of data types?
- Integer (int)
- Floating Point (float)
- Character (char)
- String (str or text)
- Boolean (bool)
- Enumerated type (enum)
- Array.
- Date.
What is variable explain its types?
Quantitative variables are
any variables where the data represent amounts
(e.g. height, weight, or age). Categorical variables are any variables where the data represent groups.
What is variable in psychology?
A variable is
something that can be changed or varied
, such as a characteristic or value. Variables are generally used in psychology experiments to determine if changes to one thing result in changes to another. Variables play a critical role in the psychological research process.
Why do we use variables?
Variables are needed to run all
but the most simple computer programs. As a program runs, it needs to hold information in its memory. This may be a number, the answer to a question or something else. Variables allow us to store, change and access this information as the program runs.
Which is an example of variable terms?
It is usually a letter like x or y. Example:
in x + 2 = 6, x is the variable
. … In general it is much easier to always call it a variable even though in some cases it is a single value.
What is not a variable?
Consistent or having a fixed pattern;
not liable to change
.
