Question

graded formative: unit 1 study guide part 1
jane calculated the density of aluminum three times. the accepted value for the density of aluminum is 2.70 g/ml. her data is listed below
trial 1: 2.74 g/ml
trial 2: 2.70 g/ml
trial 3: 2.74 g/ml

accurate
precise
accurate and precise
neither accurate or precise

Explanation:

Accuracy: All trials (2.74, 2.70, 2.76 g/mL) are close to the accepted value (2.70 g/mL). Precision: Trials are close to each other (differences ≤0.06 g/mL). Thus, data is both accurate and precise.

Answer:

accurate and precise