What is the difference between 'precision' and 'accuracy'?

Question

What is the difference between \'accurate\' and \'precise\' ?

If there is a difference, can you give an example of

• a number that is accurate but not

Answer 1

Accuracy are very often confused with precision but they are much different.

Accuracy is degree to which the measured value agrees with true value. Example-Our objective is to make rod of 25mm And we are able to make it of 25 mm then it is accurate.

Precision is the repeatability of the measuring process. Example-Our objective is to make 10 rods of 25mm and we make all rods of 24mm then we are precise as we make all rods of same size,but it is not accurate as true value is 25 mm.