Calculate the standard deviation and accuracy of the measurements: 0.492g, 0.501g, 0.493g, 0.489g, 0.491g, using a p1000 measuring 500μl.
A) Standard deviation: 0.004g, Accuracy: 0.492g
B) Standard deviation: 0.002g, Accuracy: 0.495g
C) Standard deviation: 0.002g, Accuracy: 0.491g
D) Standard deviation: 0.003g, Accuracy: 0.494g