Please answer all the questions. TQ

QUESTION 3 a. Ten samples of 3 batches of Ali's Potato Chips have been taken during a 3-hour period to test for salt content of the chips. The individual observations from each sample are shown as follows. Samplek 1 2 3 4 5 6 7 8 8 9 10 Observations % salt content) 1 2 1.2 1.4 1.1 1.5 1.2 0.9 1.0 1.5 1.7 1.4 1.3 2.0 1.3 2.1 1.7 1.6 1.5 2.3 1.2 1.5 3 1.6 1.3 1.5 .16 1.6 1.5 1.7 1.3 1.2 1.6 i. Using the data in the table, compute the center line, the upper controllimit, and the lower control limit for the control charts. (17 marks) Is the process in control? Interpret the charts