Chapter 7: Length of life (in hours) of 50 ordinary household
light bulbs
 
   443  1124   602   992  1485  1834   514   552  1047   716 
   446  1372   450   729   113   840   731   773    77  1490 
   473   679   402  1574  4015  1347   559   120   774   806 
   467   240   626   367  1033  1089   968  2243   728   936 
   241   296  1494   574   467   662   641  1023   941   446