dataset=sat
begin description
data from (www.collegeboard.com/press) SAT verbal scores by state
m750 is number of males who got between 750 and 800
f700 is number of females who got between 700 and 749 etc.
750 is about top 2%, 700 is about top 7%, about 1,000,000 took exam
in April 2005.
end description
begin variables
col 0 = m750
col 1 = f750
col 2 = m700
col 3 = f700
end variables
begin data
102  87   148  132
45   41   70   68
198  151  303  261
50   35   43   43
1831 1980 2935 3031
176  216  298  315
416  389  647  537
59   67   102  79
568  569  1120 1000
396  398  714  684
37   51   77   108
57   45   91   62
479  424  607  589
220  221  498  367
79   66   70   67
101  92   123  114
119  100  146  115
81   67   130  124
99   79   142  135
534  592  876  905
868  809  1246 1118
287  257  395  366
240  221  298  280
28   37   50   34
161  142  195  228
33   27   69   60
47   32   65   66
36   41   85   90
155  142  226  214
880  809  1340 1265
48   47   86   72
1492 1396 2117 2193
390  382  628  617
8    13   21   16
473  511  745  688
67   59   113  88
199  215  374  343
802  701  1314 1310
73   63   124  102
130  136  252  232
21   11   15   27
225  174  270  236
1033 1009 1783 1599
63   45   83   74
58   52   112  116
651  659  944  970
402  404  645  652
39   28   57   42
175  131  178  227
6    7    11   14