Question

The accepted value for the density of liquid mercury is 13.5336 g/mL. Four scientists measure the density of liquid mercury in their individual laboratories. The most accurate measurement is made by
Dr. Chopra, who measures 13.487 g/mL.
Dr. Thompson, who measures 13.5 g/mL.
Dr. Smith, who measures 13.54 g/mL.
Dr. Tyler, who measures 13.9336 g/mL.

Answer 1

accuracy means which measurement is closest to the accepted value

Answer 2

Dr. Smith