Precision of a set of measurements describes:

  1. how close the mean is to the true value
  2. the number of readings taken
  3. the size of the instrument
  4. how close the readings are to each other
Answer

D) how close the readings are to each other

Precision is about spread (random error). SLO P-11-A-05 · Application

Physics MCQ · More Physical Quantities and Measurement MCQs · Practise