(solution) The following table charts the output of a manufacturing process

(solution) The following table charts the output of a manufacturing process

The following table charts the output of a manufacturing process that deals with turning and finishing the external diameters of shafts. Random sampling is performed on the output to assure quality and results are documented. Draw an X bar and R chart for the process for which data is presented in the following table. Comment on what your opinion is as to whether the process is in control or out of control .Give specific reasons for your answer.

Motor Shaf
J.Smith
#0823
Date:
Time:
Sample 1
Sample 2
Sample 3
Sample 4
Sample 5
Sample 6
Sample 7
Sample 8
Sample 9
Sample 10
Sample 11
Sample 12
Sample 13
Sample 14
Sample 15
Sample 16
Sample 17
Sample 18
Sample 19
Sample 20
Sample 21
Sample 22
Sample 23
Sample 24
Sample 25 Outside Diameter- Roughing Operation
Shaf Grinder
1-Dec
1-Dec
0:00
0:00
195
201
204
190
195
197
211
198
204
193
200
202
196
198
201
197
200
202
203
201
195
198
193
203
200
206
199
199
189
199
198
196
198
201
206
200
197
198
196
199
196
207
202
202
200
213
204
192
199
201 Air Gage
1-Dec
1-Dec
0:00
0:00
194
201
199
195
205
201
193
199
197
200
195
200
197
196
206
207
204
192
209
192
196
204
197
198
208
199
197
197
205
205
199
199
201
201
190
190
198
198
197
197
203
203
206
206
196
196
198
198
194
194 1-Dec
0:00
201
195
201
199
200
200
196
207
192
192
204
198
199
204
197
205
206
202
195
198
193
209
193
205
205 .91" – .93"
.001"
1-Dec
1-Dec
0:00
0:00
205
202
195
204
194
197
196
197
201
198
201
201
200
202
199
197
206
196
201
204
197
202
199
199
207 N/A
1-Dec
0:00