DATA SCORES; TITLE 'SCORES ON TESTS';
*** SCORE = SCORE
    ORDER - ORDER OF STUDENT TURNING IN TEST
    SECTN - SECTION
    TIME - TIME TUREND IN
     AVERG - FINAL CLASS AVERAGE
*********************************;
INPUT
SCORE ORDER SECTN TIME AVERG ;
CARDS;
  80    1    517    44  80.4
  38    2    517    45  39.6
  81    3    517    47  71.8
  62    4    517    49  71.6
  71    5    517    54  87.2
  55    6    517    55  73.8
  60    7    517    58  71.0
  85    8    517    60  88.2
  70    9    517    61  81.0
  73   10    517    61  76.4
  76   11    517    64  73.2
  65   12    517    67  60.0
  72   13    517    69  80.8
  84   14    517    72  89.6
  60   15    517    75  79.0
  64   16    517    77  68.6
  90   17    517    77  83.8
  66   18    517    81  55.8
  68   19    517    82  71.8
  65   20    517    88  78.0
  73   21    517    94  69.8
  76   22    517    94  73.6
  67   23    517    96  71.6
  53   24    517    98  64.4
  88   25    517   103  83.4
  58   26    517   110  61.0
  76   27    517   114  74.8
  40   28    517   120  20.8
  80    1    516    44  93.2
  62    2    516    52  71.4
  51    3    516    56  61.8
  66    4    516    56  72.0
  47    5    516    62  56.4
  46    6    516    66  51.4
  73    7    516    67  77.6
  82    8    516    69  90.6
  49    9    516    71  68.4
  56   10    516    72  23.4
  79   11    516    75  81.0
  81   12    516    79  83.4
  45   13    516    80  65.4
  57   14    516    80  73.8
  51   15    516    85  52.4
  80   16    516    88  87.2
  51   17    516    92  69.4
  62   18    516    95  61.0
  71   19    516    95  55.6
  73   20    516    97  55.4
  79   21    516    98  81.8
  83   22    516    99  85.8
  63   23    516   101  80.2
  51   24    516   103  72.4
  65   25    516   107  59.4
  67   26    516   108  66.6
  48   27    516   110  63.2
  81   28    516   110  75.8
  79    1    503    50  67.2
  66    2    503    51  68.2
  71    3    503    52  66.4
  76    4    503    53  56.8
  61    5    503    60  60.0
  66    6    503    61  64.8
  50    7    503    65  68.6
  78    8    503    65  86.4
  81    9    503    66  78.8
  82   10    503    71  81.4
  53   11    503    71  70.8
  72   12    503    72  68.2
  72   13    503    76  78.6
  64   14    503    77  78.6
  41   15    503    81  60.8
  60   16    503    81  61.8
  65   17    503    81  76.2
  60   18    503    84  70.4
  84   19    503    87  94.2
  91   20    503    89  92.4
  81   21    503    89  79.8
  59   22    503    90  72.6
  87   23    503    90  81.0
  78   24    503    95  78.8
  76   25    503    96  78.0
  73   26    503   101  81.8
  71   27    503   102  76.0
  55   28    503   107  64.4
  39   29    503   108  69.6