Question

The following students measure the density of a piece of lead three times. The density of lead is actually 8.9 g/cm3. Considering all of the results, which person’s results are both accurate and precise?
a.
Jenny: 8.55 g/cm3, 8.34 g/cm3, 8.04 g/cm3
c.
Lila: 8.89 g/cm3, 8.91 g/cm3, 8.92 g/cm3
b.
Brad: 8.63 g/cm3, 8.64 g/cm3, 8.65 g/cm3
d.
None of the above have precise and accurate measurements.