data fw01p07; title 'Chapter 1, Exercise 7, SYCAMORE TREES ';
input OBS    DFOOT    HCRN     HT ;
cards;
  1     4.1      1.5    24.5
  2     3.4      4.7    25.0
  3     4.4      2.8    29.0
  4     3.6      5.1    27.0
  5     4.4      1.6    26.5
  6     3.9      1.9    27.0
  7     3.6      5.3    27.0
  8     4.3      7.6    28.0
  9     4.8      1.1    28.5
 10     3.5      1.2    26.0
 11     4.3      2.3    28.0
 12     4.8      1.7    28.5
 13     4.5      2.0    30.0
 14     4.8      2.0    28.0
 15     2.9      1.1    20.5
 16     5.6      2.2    31.5
 17     4.2      8.0    29.3
 18     3.7      6.3    27.2
 19     4.6      3.0    27.0
 20     4.2      2.4    25.4
 21     4.8      2.9    30.4
 22     4.3      1.4    24.5
 23     4.3      2.0    25.6
 24     2.7      3.0    20.4
 25     4.3      2.0    25.0
 26     3.3      1.8    20.6
 27     5.0      1.7    24.6
 28     5.2      1.8    26.9
 29     4.7      1.5    26.7
 30     3.8      3.2    26.3
 31     3.8      2.6    27.6
 32     4.2      1.8    23.5
 33     4.7      2.7    25.0
 34     5.0      3.1    27.3
 35     3.2      2.9    26.2
 36     4.1      1.3    25.8
 37     3.5      3.2    24.0
 38     4.8      1.7    26.5
 39     4.3      6.5    27.0
 40     5.1      1.6    27.0
 41     3.7      1.4    25.9
 42     5.0      3.8    29.5
 43     3.3      2.4    25.8
 44     4.3      3.0    25.2
 45     4.7      3.3    29.7
 46     4.6      8.9    26.6
 47     4.8      2.4    28.1
 48     4.5      4.7    28.5
 49     3.9      2.3    26.0
 50     4.4      5.4    28.0
 52     4.6      2.5    30.5
 53     4.1      2.1    26.0
 54     3.9      1.8    29.0
 55     4.9      4.7    29.5
 56     4.9      8.3    29.5
 57     5.1      2.1    28.4
 58     4.4      1.7    29.0
 59     4.2      2.2    28.5
 60     4.6      6.6    28.5
 61     5.1      1.0    26.5
 62     3.8      2.7    28.5
 63     4.8      2.2    27.0
 64     4.0      3.1    26.0