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What is the definition of an independent variable and a dependent variable?

 Feb 19, 2016

Best Answer 

 #2
avatar+118667 
+10

The independent variable is the one you use or have first. 

Eg.      Y=x+4

Normally you have an  x value then you plug it into the equation to get the y value.

So the x is the first value. It is independant. The y is the second value it depends on what x is.

 

This can be extended to normal and statistical meaning to.

Whether or not you are wearing wet weather gear is dependent on whether or not it is raining.

It does not work the other way around. Putting wet wrather geat on will not MAKE IT rain. So the rain is the independent variable.

 Feb 20, 2016
 #1
avatar+5265 
+7

The independent (or manipulated) variable is the variable that you change. There should be ONLY ONE of these in a proper experiment. The dependent (or responding) variable is the variable you measure. There can be many ones but you should choose one to measure that is related to your experiment.

 Feb 20, 2016
 #3
avatar+5265 
+5

If that does not seem sufficient, you can go here to read more about independent and dependent variables.

rarinstraw1195  Feb 20, 2016
 #2
avatar+118667 
+10
Best Answer

The independent variable is the one you use or have first. 

Eg.      Y=x+4

Normally you have an  x value then you plug it into the equation to get the y value.

So the x is the first value. It is independant. The y is the second value it depends on what x is.

 

This can be extended to normal and statistical meaning to.

Whether or not you are wearing wet weather gear is dependent on whether or not it is raining.

It does not work the other way around. Putting wet wrather geat on will not MAKE IT rain. So the rain is the independent variable.

Melody Feb 20, 2016

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