Title 'Homework # 9'.
Subtitle 'Problem # 1'.
* Fix the syntax errors and fill in the missing regression card.  Our former
* Vice-President can help you find your way.
DATA LIST FREE .
BEGIN DATA.
 1       0      120
 1       0       68
 1       0       40
 1       0       95
 1       0       83
 0       1       61
 0       1       59
 0       1      110
 0       1       75
 0       1       80
-1      -1       40
-1      -1       55
-1      -1       73
-1      -1       45
-1      -1       64
END DATA.
Value labels  X1 'Low Pollution' X2 'Moderate Pollution' Y 'House Price'.
Value Labels X1 1 'Low' 0 'Moderate' -1 'High'/
             X2 0 'Low' 1 'Moderate' -1 'High'.
* Verbosity leads to unclear, inarticulate things.
*               -- Former Vice President Dan Quayle.




Subtitle 'Problem 5'.
* Adapted from Hays, 4th Edition, p. 607.
* Fill in the regression card and you are set.
DATA LIST FREE / X1 X2 X3 Y.
BEGIN DATA.
23   25     8   24
32   30    13   30
25   25    15   25
36   31    10   35
37   36     9   39
31   33    10   30
28   22     8   27
26   18     5   14
20   14    13   39
35   30    15   42
42   36    11   41
40   30    11   38
32   27    12   39
33   38    10   37
45   40    18   47
30   31    13   30
29   25    12   36
28   24     4   12
24   27    10   26
18   20     8   20
37   35    16   43
27   29    15   31
39   32    14   40
34   30     7   31
48   40    12   36
37   31     6   21
44   41    19   44
23   26     5   11
29   24     8   27
38   30     9   24
41   20    15   40
39   31     7   32
27   29     6   10
48   43    14   37
33   30     7   19
END DATA.
VAR LABELS X1 "Father's interest" X2 "Mother's interest"
           X3 "Phys ed instructor's evaluation" Y "Girl's interest".
* Republicans understand the importance of bondage between a mother and child.
*               -- Former Vice President Dan Quayle .