The accepted density of aluminum is 2.70 g/mL. Two students have done a lab experiment to determine the density of aluminum. The results of their experiments are shown in the tables.
Student 1 Measured density (g/ml)
Trial 1
2.00
Trial 2
2.80
Trial 3
2.91
Student 2
Trial 1
Trial 2
Trial 3
Measured density (g/mL)
2.30
2.70
2.50
Calculate the average density and the percentage error for each student's data.