The control test is the line that shows you the test is functioning properly. That line usually appears before your result line will show up.
a control is testing the kit to help the variable
A control is a testing kit that can help the variable.
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Quality Control Testing Manual (Q.C.T.M.)
the control group is the group or subject that is not affected by what you are testing for.
The modified choke could be the control
A constant is always fixed and won't change in an experiment. The control is the standard that you are testing against to see how experiment outcomes change when the testing factors are altered.
A control group is important so you can tell if the thing you are testing changes whatever you are testing it on in any way.
Testing Milton Friedman - 2012 Government Control 1-2 was released on: USA: 23 September 2012
The experimental control is what you compare your experimental data with. Without the control, you can't tell if the variable you are testing is what is causing your results.
function-call and returning (actually, it is 'passing', not 'testing')
The environment is CONTROLLED. This can be many things, Temperature, humidity, altitude, = pressure. It depends on what you are testing and why. If you are testing a car tire you will control the pressure and the type of surface you are testing it on. Rex