A Lab Technician Was Assigned the Task of Determining the PH

A lab technician was assigned the task of determining the pH of a sample of blood. The technician performed three replicate measurements of the pH of the sample and reported the following results.
PH = 6.98, pH = 6.99, pH = 6.98
The actual pH of blood is 7.40. In evaluating the technician's job performance in terms of accuracy and precision, it can be said that the technician ________.

A) was neither accurate nor precise
B) was both accurate and precise
C) was accurate but not precise
D) was precise but not accurate