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Q.

Which of the following statement is correct?

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a

There is no difference between precision and accuracy

b

A good precision always means good accuracy

c

Accuracy means that all measured values of an experiment are close to the actual value.

d

A measurement may have good accuracy but poor precision

answer is C.

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Detailed Solution

Precision tells about the limit up to which a quantity can be measured using a given instrument. It tells us how close the measurements are of the physical quantity.  Accuracy: It tells  about the closeness of measured value with true value.
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