DESIGNING A CONTROL CHART EXAMPLE Fujiyama Electronics, Inc. has been having difficulties with circuit boards purchased from an outside supplier. Unacceptable variability occurs between two drilled holes that are supposed to be 5 cm apart on the circuit boards. Thirty samples of 4 boards each were taken from shipments from the supplier as shown in the data listed below. Construct x and R charts for the process using the following data. DATA Sample No Samples 1 4.92 4.26 4.94 4.29 2 4.65 5.54 5.00 5.42 3 5.77 5.26 4.76 4.79 4 6.25 4.88 5.66 4.44 5 5.27 5.41 6.02 4.91 6 5.22 5.38 5.08 4.65 7 5.47 4.68 4.56 4.70 8 5.71 4.54 4.17 4.87 9 5.24 5.58 4.72 5.41 10 4.42 5.18 4.79 4.73 11 5.14 4.26 4.71 5.48 12 4.92 5.78 5.50 5.05 13 5.79 3.83 4.30 4.78 14 4.92 4.80 4.75 5.59 15 5.68 5.74 4.65 5.20 16 5.43 4.81 5.27 4.96 17 4.79 6.04 4.47 5.18 18 4.43 5.08 3.69 6.43 19 6.35 5.95 6.29 5.89 20 5.03 4.66 5.25 4.46 21 6.32 6.09 5.57 5.91 22 4.30 5.47 4.27 4.34 23 6.07 4.97 5.51 5.02 24 5.11 4.90 5.91 4.66 25 4.50 5.24 4.86 4.35 26 4.91 4.79 5.74 5.03 27 4.65 4.71 4.81 5.32 28 4.70 5.50 6.04 4.30 29 5.87 5.30 5.78 5.07 30 4.41 4.75 4.95 5.11

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

See similar textbooks

Related questions

Question

DESIGNING A CONTROL CHART EXAMPLE

Fujiyama Electronics, Inc. has been having difficulties with circuit boards purchased from an outside supplier. Unacceptable variability occurs between two drilled holes that are supposed to be 5 cm apart on the circuit boards. Thirty samples of 4 boards each were taken from shipments from the supplier as shown in the data listed below.

Construct x and R charts for the process using the following data.

DATA

Sample No		Samples
1	4.92	4.26	4.94	4.29
2	4.65	5.54	5.00	5.42
3	5.77	5.26	4.76	4.79
4	6.25	4.88	5.66	4.44
5	5.27	5.41	6.02	4.91
6	5.22	5.38	5.08	4.65
7	5.47	4.68	4.56	4.70
8	5.71	4.54	4.17	4.87
9	5.24	5.58	4.72	5.41
10	4.42	5.18	4.79	4.73
11	5.14	4.26	4.71	5.48
12	4.92	5.78	5.50	5.05
13	5.79	3.83	4.30	4.78
14	4.92	4.80	4.75	5.59
15	5.68	5.74	4.65	5.20
16	5.43	4.81	5.27	4.96
17	4.79	6.04	4.47	5.18
18	4.43	5.08	3.69	6.43
19	6.35	5.95	6.29	5.89
20	5.03	4.66	5.25	4.46
21	6.32	6.09	5.57	5.91
22	4.30	5.47	4.27	4.34
23	6.07	4.97	5.51	5.02
24	5.11	4.90	5.91	4.66
25	4.50	5.24	4.86	4.35
26	4.91	4.79	5.74	5.03
27	4.65	4.71	4.81	5.32
28	4.70	5.50	6.04	4.30
29	5.87	5.30	5.78	5.07
30	4.41	4.75	4.95	5.11