a) Voltinism
comparison differences P
1-<1 -2.16851 0.71915
2-<1 3.236363 0.4831368
3-<1 -2.26363 0.9621085
2-1 5.404878 0.0076061
3-1 -0.0951 0.9999963
2-3 -5.500 0.6131607