A New Machine Is Set or Calibrated to Fill Tubes

Multiple Choice

A new machine is set or calibrated to fill tubes of toothpaste at precisely 6.75 ounces. Then, once the machine is running, a sample of 6 tubes is taken every three hours and weighed with the following results: What is the value for the lower control limit (LCL) of the range?

A) 0.00
B) 0.080
C) 0.186
D) 0.203