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Which is not a preanalytical variable that can affect the accuracy and precision of laboratory test results?
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∙ 10y ago
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∙ 10y ago
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Why do you use burette to measure liquid during titration?
Any (variable) amount of liquid can be measured by weight (mass balance) or by volume.A titration is mostly carried out as volumetric analysis method.An INVariable amount is measured by a (volumetric, standardized) pipet and for Variable volumes a calibrated buret is used to reach high precision standards of AAAC.
The one variable that is purposely changed to test a hypothesis is?
manipulated variable!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
What would happen if you change the manipulated variable?
it would not be a independent variable (manipulated variable) any more it would a diffrent variable.
What are three variables in a controlled experiment?
Manipulated Variable, Responding Variable, And Controlled Variable.
Is the dependent variable or the responding variable the one being tested in an experiment?
Yes. The dependent variable is the variable that is being measured during the experiment.
What one what words means the degree to which a measurement is precise and reliable is it variable or accuracy or parameter or constant?
-- None of those words relates to "precise". -- "Accuracy" relates to "reliable". -- "Precision" and "accuracy" are two different things. -- "Precise" does not mean "reliable".
How can knowing which variable is which in laboratory procedure?
You can know which is the variable in a laboratory just by observation. The number of times that it has been used in the different procedures will also help you tell which is the variable.
What is lacking when results are accurate but widely variable?
precision
Loss of precision error in java?
A loss of precision error occurs when you use a variable of a data type that holds more decimal values than the type of the variable you are converting/inserting to.
Why is there a need of laboratory apparatus in conducting experiment?
what is variable
How can knowing which variable is which help you design a procedure in a laboratory situation?
Knowing which is the variable in a laboratory when designing a procedure will help you come up with a number experiments and their possible outcomes.
What determines the accuracy of an instrument'?
A variable that could influence the accuracy of an instrument is the reference standard that was used to calibrate the instrument.
How can you improve your data accuracy in a lab experiment?
According to the scientific method, any scientific experiment must be done at least 3 times. Also, only one variable can be changed in an experiment (the independent variable). Any more changes will will ruin your dependent variable (your results) and make your data unreliable. If your experiment fails, learn from it, redo the experiment, and change another variable.
What variables determine the accuracy of an instrument?
A variable that could influence the accuracy of an instrument is the reference standard that was used to calibrate the instrument.
How close a measurment is to the true or accepted value?
This value is variable, for each type of measurement.
How does your equipment determine your level of precision?
Any equipment has some method of displaying the measurement of some variable (or variables). The equipment can determine your precision in two ways. The first is on its calibration: how large its "zero error" is. The second is in the precision of the display used to provide the measurement.
How do you write a floating point variable in c?
You declare a floating point variable using the float or double keyword for a single- or double-precision floating point variable, respectively:float a;double b;You reference a floating-point variable just like any other scalar variable by using the variable's name in a compatible expression, e.g.a += 2;b /= a;Floating point literals use a period for the decimal point, no "thousands separator," and use the letter 'e' to denote a power of ten, e.g.a = 0.123;b = 123e-3;Both a and b now have the same value, 123 times 10 to the power of -3 (which equals 0.123).
