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The file pig.dat contains data on the birth weight of poland china pigs in 8 litters (from Scheffe). The layout of the file is the litter number followed by the birth weights for the litter. Note that there are unequal litter sizes.
Below is the contents of the disk file pig.dat:
1 2.0 2.8 3.3 3.2 4.4 3.6 1.9 3.3 2.8 1.1
2 3.5 2.8 3.2 3.5 2.3 2.4 2.0 1.6
3 3.3 3.6 2.6 3.1 3.2 3.3 2.9 3.4 3.2 3.2
4 3.2 3.3 3.2 2.9 3.3 2.5 2.6 2.8
5 2.6 2.6 2.9 2.0 2.0 2.1
6 3.1 2.9 3.1 2.5
7 2.6 2.2 2.2 2.5 1.2 1.2
8 2.5 2.4 3.0 1.5
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Copyright © 1997 by Jerry Alan Veeh. All rights reserved.