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Ta b l e E 2
Factor
2
Blocks
W
X
Y
Z
A
14
21
12
23
Factor 1
B
12
20
15
25
C
17
18
23
19
D
23
36
19
38
E
26
21
24
32
Ta b l e E 3
Observations Location 1 Location 2 Location 3 Type of System
1
24
21
17
A
2
14
12
6
A
3
12
24
8
A
4
23
11
9
A
5
17
18
11
A
6
29
28
3
A
8
18
21
21
A
9
31
25
19
A
10
25
23
9
A
11
13
19
18
A
12
32
40
11
A
13
18
21
4
B
14
21
16
7
B
15
21
17
17
B
16
14
18
11
B
17
6
15
9
B
18
15
13
10
B
19
9
9
3
B
20
12
10
6
B
21
15
19
15
B
22
12
11
9
B
23
12
9
13
B
24
17
13
9
B
15. Advanced Problem —A transportation and logistics firm, Mar y Tierra (MyT),
hires seamen and engineers, foreign and domestic, to serve on board its con-
tainer ships. The company has in the past accepted the worker’s credentials
without an official investigation of veracity. This has led to problems with
workers lying about or exaggerating their service history, a very important con-
cern for MyT. MyT has decided to hire a consultant to design an experiment to
determine the extent of the problem. Some managers at MyT believe that the
foreign workers may be exaggerating their service, since it is not easily veri-
fied. A test for first-class engineers is devised and administered to 24 selected
workers. Some of the workers are foreign and some are domestic. Also, some
have previous experience with MyT and some do not. The consultant randomly
 
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