A handbook lists the density of lead as 11.3 g/mL. Several groups of students are attempting to determine the density of a lead weight by various methods. Complete this table by calculating the average density measured by each group, and the percentage error in each average. Measured Densities (g/mL) Trial 1 Trial 2 Trial 3 Average Density (g/mL) Percent Error (%) A Group 1 12.7 11.2 10.3 Number Which group was most accurate? Group 1 Group 2 Group 3 **** Number 0 Group 2 11.5 11.4 11.4 Number Number 0 Group 3 10.9 11.3 11.1 Number 0 Number 0 Which group was most precise? Group 1 Group 2 Group 3