sex dose ndead ntotal

male     1   1  20

male     2   4  20

male     4   9  20

male     8  13  20 

male    16  18  20

male    32  20  20

female   1   0  20

female   2   2  20

female   4   6  20

female   8  10  20 

female  16  12  20

female  32  16  20





