DATA FW01P10; TITLE 'CHAPTER1, PROBLEM 10, STUDENT SCORES';
INPUT    OBS    STUDENT    SCORE    STATUS ;
DROP OBS;
CARDS;
  1        1        90        2
  2       33        50        1
  3       65        40        2
  4        2        65        2
  5       34        50        2
  6       66        40        0
  7        3        30        1
  8       35        97        0
  9       67        60        0
 10        4        55        0
 11       36        85        0
 12       68        15        0
 13        5         1        0
 14       37        99        1
 15       69        45        0
 16        6         5        1
 17       38        45        0
 18       70        45        0
 19        7        95        0
 20       39        90        0
 21       71        97        2
 22        8        99        0
 23       40        10        1
 24       72        90        0
 25        9        40        0
 26       41        56        0
 27       73        30        0
 28       10        95        0
 29       42        55        2
 30       74         1        0
 31       11         1        0
 32       43        50        0
 33       75         1        0
 34       12        55        0
 35       44         1        1
 36       76        70        0
 37       13        85        0
 38       45        45        0
 39       77        90        0
 40       14        95        0
 41       46        50        0
 42       78        70        0
 43       15        15        2
 44       47        85        2
 45       79        75        0
 46       16        95        0
 47       48        95        2
 48       80        75        2
 49       17        15        0
 50       49        15        0
 51       81        70        2
 52       18        65        0
 53       50        35        0
 54       82        85        0
 55       19        55        0
 56       51        85        0
 57       83        45        0
 58       20        75        0
 59       52        85        0
 60       84        50        0
 61       21        15        0
 62       53        50        0
 63       85        55        0
 64       22        35        2
 65       54        10        1
 66       86        15        0
 67       23        90        0
 68       55        60        0
 69       87        55        0
 70       24        10        0
 71       56        45        1
 72       88        20        1
 73       25        10        1
 74       57        90        0
 75       89         1        1
 76       26        20        0
 77       58         1        1
 78       90        75        0
 79       27        25        0
 80       59        80        2
 81       91        45        2
 82       28        15        1
 83       60        45        0
 84       92        70        0
 85       29        40        0
 86       61        90        0
 87       93        70        0
 88       30        15        0
 89       62        45        0
 90       94        45        0
 91       31        50        0
 92       63        20        0
 93       95        90        0
 94       32        80        0
 95       64        35        1
 96       96        65        2
 97       97        75        2
 98       98        70        0
 99       99        65        0
                      100      100        55        0
                      101      101        55        0
                      102      102        40        0
                      103      103        56        0
                      104      104        85        0
                      105      105        80        0