General Dynamics, Inc. isa manufacturer of hydraulic machine

General Dynamics, Inc. isa manufacturer of hydraulic machine tools. It has had a history of leakagetrouble resulting from a certain fitting. 25 samples of machined parts wereselected, one per shift, and the diameter of the fitting was measured.a) Construct a X-barand R chars for the data provided in the following Excel file.b) What do you thinkof the results?c) If the regularmachine operator was absent when sample 4, 8, 14 and 22 were taken, how willthe results in part b be affected?d) A second table inthe worksheet represents measurement taken during the next ten shifts, afterthe operator was back. What information does this table provide to the qualitycontrol manager?X-Bar and R Chart for General Dynamics