* Survival Times of 48 Randomly Allocated Animals;

data survival;



             Treatment

     A       B      C       D

    --------------------------

1   3.1     8.2    4.3     4.5

    4.5    11.0    4.5     7.1

    4.6     8.8    6.3     6.6

    4.3     7.2    7.6     6.2

2   3.6     9.2    4.4     5.6

    2.9     9.1    3.5    10.2

    4.0     4.9    3.1     7.1

    2.3    12.4    4.0     3.8

3   2.2     3.0    2.3     3.0

    2.1     3.7    2.5     3.6

    1.8     3.8    2.4     3.1

    2.3     2.9    2.2     3.3



 i    j      s

---------------

 1    1     3.1

 1    2     8.2

 1    3     4.3

 1    4     4.5

 2    1     4.5

 2    2    11.0

 2    3     4.5

 2    4     7.1

 3    1     4.6

 3    2     8.8

 3    3     6.3

 3    4     6.6

 1    1     4.3

 1    2     7.2

 1    3     7.6

 1    4     6.2

 2    1     3.6

 2    2     9.2

 2    3     4.4

 2    4     5.6

 3    1     2.9

 3    2     9.1

 3    3     3.5

 3    4    10.2

 1    1     4.0

 1    2     4.9

 1    3     3.1

 1    4     7.1

 2    1     2.3

 2    2    12.4

 2    3     4.0

 2    4     3.8

 3    1     2.2

 3    2     3.0

 3    3     2.3

 3    4     3.0

 1    1     2.1

 1    2     3.7

 1    3     2.5

 1    4     3.6

 2    1     1.8

 2    2     3.8

 2    3     2.4

 2    4     3.1

 3    1     2.3

 3    2     2.9

 3    3     2.2

 3    4     3.3