We used 3 kinds of soaps in the experiment, which each was an independent variable.
Two variables are called independent when whatever change in one of them do not influences the value of the other.
Your question is a good sentence using the word "common".
Obviously you are not capable of using a word in a sentence!
This is an example of an exclamatory sentence using the word happening!
Here is a sentence using the word general: Tim was promoted to a General in the Army.
In an experiment you uses a independent and dependent variable.
"If y=2x, then x is the independent variable and y is the dependent variable." Also, " If x=y/2 then y is the independent variable and x is the dependent variable". Also, "The dependent variable is the one variable which is found by giving values to all the independent variables"
Two variables are called independent when whatever change in one of them do not influences the value of the other.
Example sentence - I enjoy being independent and living alone.
manipulated variable is in the Statistics, Mathematics, Analysis subject.manipulated variable is in the Statistics, Mathematics, Analysis subject.
She was so independent we called her a hero from then on. He has become very independent since his mother died.
Independent variable
Random
The independent variable is the one that is changed by the scientist.Control variables are kept unchanged in an experiment.Dependant variables are those that change as a result of the independent variable being changed.
She insisted on driving the horses her way, and he could not teach her differently, as she was too independent to follow a prosaic method.
India is an independent country.
The word you are looking for is "independent variable." This is the variable that is intentionally changed or manipulated by the researcher during an experiment to observe its effect on the dependent variable.