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Prob10-1

Problem 10-1
Twenty First Century Laundry
Descriptive Statistics
69 3 1 72 93 3 80 6 5 36
42 2 64 44 15 77 49 85 82 102
28 70 41 30 25 45 31 49 49 49
13 42 27 13 45 31 14 34 32 39
19 29 12 19 30 14 21 14 14 52
7 13 18 8 14 19 18 21 21 5
94 19 6 107 19 2 41 7 15 15
53 8 90 55 2 64 16 12 27 53
35 16 35 38 3 9 9 9 11 39
16 17 18 23 74 25 26 58 59 62
9 9 9 11
58 59 62
39
16 17 18 23 25 25 26

Prob10-2

Problem 10-2
Rivervalley Labs
Descriptive Statistics
2.5 3.9 3.8 4.9 3.6 3.5 2.9 3.8 2.1 1.9
4.9 4.4 3.6 4.0 2.6 4.0 2.4 4.1 3.4 3.0
3.6 3.9 2.5 4.2 3.1 4.1 5.0 1.7 3.3 4.5
4.3 3.1 4.0 2.6 5.0 3.7 3.0 4.3 3.8 4.0
1.9 2.7 3.6 4.4 2.0 4.5 4.1 4.7 2.6 4.6
3.4 3.5 4.0 3.5 4.3 3.7 3.6 3.2 2.5 4.6
3.2 3.6 3.2 4.8 5.0 2.8 3.8 3.1 3.0 3.9
4.0 3.7 3.5 5.0 3.9 3.4 3.2 3.6 4.3 1.7
3.1 4.9 2.6 3.5 3.5 2.8 4.3 2.1 3.8 3.9
3.6 3.6 3.7 3.2 5.3 2.5 3.2 3.4 3.4 4.3

Prob10-3

Problem 10-3
Fillmore Metalwork Foundry
Descriptive Statistics*
38.1 38.5 38.3 37.3 38.4 39.2 38.9 38.5 39.0 38.6
38.1 38.8 38.6 38.6 38.6 38.6 38.9 38.8 39.0 38.6
38.5 38.5 38.8 38.7 38.7 38.7 38.9 38.6 39.1 38.7
38.5 38.6 38.5 38.5 38.7 38.8 38.9 38.7 38.7 38.6
38.7 38.6 38.7 38.6 38.9 38.7 38.9 38.5 38.6 38.5
38.8 38.6 38.4 38.6 38.6 38.7 39.0 38.7 38.7 38.5
38.6 38.6 38.5 38.6 38.5 38.6 38.7 38.7 39.1 38.6
38.3 38.6 38.4 38.1 38.4 39.5 38.8 38.8 39.1 38.6
38.3 38.6 38.4 38.1 38.5 39.6 38.7 38.8 39.2 38.8
38.3 38.6 38.4 38.1 38.5 39.3 39.0 38.8 39.2 38.7
* Note: These data are also used in problem 11

Prob10-4

Problem 10-4
Fillmore Metalwork Foundry
Descriptive Statistics*
38.3 38.3 38.3 38.3 38.3 39.2 39.2 39.3 39.3 39.3
38.6 38.6 38.2 38.2 38.2 38.9 38.9 38.9 38.9 38.9
38.4 38.4 38.0 38.4 38.4 38.7 38.7 38.7 38.7 38.7
37.9 37.9 38.1 38.1 38.1 39.0 39.0 39.1 39.1 39.1
38.5 38.4 38.6 38.5 38.5 38.6 38.6 38.7 38.7 38.7
38.1 38.1 38.2 38.2 38.3 39.4 39.4 39.5 39.6 39.9
38.5 38.5 38.5 38.5 38.6 39.0 39.0 39.0 39.0 39.0
38.3 38.3 38.3 38.4 38.4 38.7 38.7 38.8 38.8 38.8
37.3 37.6 37.7 37.8 37.9 39.1 39.1 39.1 39.2 39.2
38.4 38.4 38.8 38.4 37.9 38.7 39.8 38.7 38.7 38.7
Note: These data are also used in problem 12.

Prob 10-11

Problem 10-11
Fillmore Metalwork Foundry
Frequency Table
Upper Cell Cumulative
Boundaries Frequencies %
Cell 1 38.2 6 6.00%
Cell 2 38.4 10 16.00%
Cell 3 38.6 38 54.00%
Cell 4 38.8 27 81.00%
Cell 5 39.0 10 91.00%
Cell 6 39.2 6 97.00%
Cell 7 39.4 1 98.00%
Cell 8 39.6 2 100.00%

Prob 10-12

Problem 10-12
Fillmore Metalwork Foundry
Frequency Table
Upper Cell Cumulative
Boundaries Frequencies %
Cell 1 37.5 1 1.00%
Cell 2 37.8 3 4.00%
Cell 3 38.1 10 14.00%
Cell 4 38.4 24 38.00%
Cell 5 38.7 27 65.00%
Cell 6 39.0 16 81.00%
Cell 7 39.3 13 94.00%
Cell 8 39.6 4 98.00%
Cell 9 39.9 2 100.00%

Prob 10-20

Problem 10-20
Sival Electronics
Supplier 1 Supplier 2 Supplier 3
Finish 1 11.9 6.8 13.5
Finish 2 10.3 5.9 10.9
Finish 3 9.5 8.1 12.3
Finish 4 8.7 7.2 14.5
Finish 5 14.2 7.6 12.9

Prob 10-21

Problem 10-21
Sival Electronics
Signal Material Temperature Output Voltage
High Gold Low 18
High Gold High 12
High Silicon Low 16
High Silicon High 10
Low Gold Low 8
Low Gold High 11
Low Silicon Low 7
Low Silicon High 14

Disciplinary Citation

Chapter 10
Disciplinary Citation Case
Data for Scatter Diagram for Package Errors
Operator Errors Avg.
1 6 6
2 1 6
3 0 6
4 14 6
5 0 6
6 2 6
7 18 6
8 2 6
9 5 6
10 13 6
11 1 6
12 4 6
13 6 6
14 5 6
15 0 6
16 0 6
17 1 6
18 3 6
19 15 6
20 24 6
21 3 6
22 4 6
23 1 6
24 2 6
25 3 6
26 22 6
27 4 6
28 8 6
29 2 6
30 6 6
31 8 6
32 0 6
33 9 6
34 20 6
35 9 6
36 0 6
37 3 6
38 14 6
39 1 6
40 1 6

Qrtly. Sales Report

Chapter 10
The Quarterly Sales Report
2005 Sales
Region 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr
Northeast 924 928 956 1222
Southwest 1056 1048 1129 1073
Northwest 1412 1280 1129 1181
North Central 431 470 439 431
Mid-Atlantic 539 558 591 556
South Central 397 391 414 407
2006 Sales
Region 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr
Northeast 748 962 983 1024
Southwest 1157 1146 1064 1213
Northwest 1149 1248 1103 1021
North Central 471 496 506 573
Mid-Atlantic 540 590 606 643
South Central 415 442 384 448
2007 Sales
Region 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr
Northeast 991 978 1040 1295
Southwest 1088 4322 1256 1132
Northwest 1085 1125 910 999
North Central 403 440 371 405
Mid-Atlantic 657 602 596 640
South Central 441 366 470 426
2008 Sales
Region 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr
Northeast 756 1008 1038 952
Southwest 4352 1353 1466 1196
Northwest 883 851 997 878
North Central 466 536 551 670
Mid-Atlantic 691 723 701 802
South Central 445 455 363 462
2009 Sales
Region 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr
Northeast 1041 1020 976 1148
Southwest 1330 1003 1197 1337
Northwest 939 834 688 806
North Central 588 699 743 702
Mid-Atlantic 749 762 807 781
South Central 420 454 447 359