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precision and accuracy are defined terms in science.
Accuracy is the closeness of a given result to the true value of a measurement. Precision of a result is represented by the scatter of a number of measurements.
True value is the average of a number of careful measurements by different experimenters, using different measuring systems. (consider the height of a mountain for example.)
Resolution is merely the number of digits in the answer, and of which several may be meaningless.
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How do you keep your measurements consistent even if you are not precise or accurate?
You could do it by saying that all your measurements were 10 centimetres - irrespective of what they actually were. That would be neither precise nor accurate but it sure would be consistent!
Are precise measurements always accurate?
No. A broken clock gives a very precise time, but most of the time it is wrong.
What three steps can you take to ensure that measurements are both accurate and precise?
you can predict
Which is an example of how mathematics may be used in the collection or evaluation of data?
Mathematics can be used to complete precise measurements that can be easily presented and evaluated in mathematical form.
Can a number be accurate but not precise?
no only if it is precise it is accurate
