If the results of a scientific experiment are described as 'precise', what does this mean?

Question

Accepted Answer

Repeated measurements are clustered together, not spread out.

Answer

The measurements are spread equally higher and lower than the true value of the quantity being measured.

Answer

The average value of the measurements is not significantly different to the true value of the quantity being measured.

Answer

There were no mistakes made while collecting the measurements.

Crowdly