Example 6.6.1.--- Analysis of Covariance
xx1={57
60 52 49 56
46 51
63 49 57,
29
33 25 18 25
24 20
28 18 25,
28
30 34 33 23
32 23
21 23 28,
25
23 33 29 17
29 16
18 22 29,
33
31 41 35
30 22
31 24 28
30};
xx2={59 54 56
59 57
52 52,
26
17 19
26 15 21
18,
36 19
33 31
25 24 35,
35
20 43 32 23
19 33,
35
28 38
29 24 24
33};
xx3={61 59 53
59 51
51 56 58
46 53,
25
21 26
29 24 24
22 11
15 19,
23
21 21
12 26 17
17 24
17 17,
11
10 6
11 22 8
8 21
12 15,
9
11 27
11 17 19
5 24
17 18};