When would a measurement be both accurate and precise?

The measurement can be replicated
the measurement is around the accepted value
the measurement is close to the accepted value and can be reproduced
a reliable instrument was used to make the measurement

Question

When would a measurement be both accurate and precise?

The measurement can be replicated
the measurement is around the accepted value
the measurement is close to the accepted value and can be reproduced
a reliable instrument was used to make the measurement

rezper · Answer

My bad about posting this into math.. Noone was answering me on Physics.

thesmartone · Answer

This is an example that helps get the concept of accuracy and preciseness easily remembered. http://www.mhhe.com/physsci/chemistry/chang7/esp/folder_structure/ch/m2/s2/assets/images/chm2s2_1.jpg