You Have Been Given the Following Sample Information That Has

You have been given the following sample information that has been drawn from the last sample taken: Mean of the sample: 13.67
Lower control limit for the range: 0
Upper control limit for the range: 10.6
Observations: 13,12,8,10,11,16,17,8,17,18,20,14
Which of the following conclusions does this data support?

A) The process is under control.
B) The process is not under control.
C) The sample is within specifications.
D) The sample is out of specification.