The three targets from a rifle range shown below were produced by: (A) the instructor firing a new rifle; (B) the instructor firing his personal rifle; and (C) a student who has fired his target rifle only a few times.

a. Comment on the accuracy and precision for each of these three sets of results
b. For the A and C results in the future to look like those in B, what needs to happen (i.e. does accuracy and/or precision need to be improved.)