Question

In data measurement, what does precision refer to?

A-How close a measured value is from a standard or established value

B-How close a measured value is to previous measured values

C-Whether or not a measurement was performed correctly.

D-The number of significant digits in the solution of a mathematical problem

Answer 1

Precision refers to the closeness of two or more measurements to each other. Using the example above, if you weigh a given substance five times, and get 3.2 kg each time, then your measurement is very precise. Therefore, your answer is (B)