82.5% of play partners of "p" were "p"
17.5% of play partners of "p" were "n"
12.6% of play partners of "n" were "p"
87.4% of play partners of "n" were "n"
42.0% of playing pairs included at least one "p"
58.0% of playing pairs included at ltast one "n"
69.4% of play partners of girls were girls
30.6% of play partners of girls were boys
14.9% of play partners of boys were girls
85.1% of play partners of boys were boys
32.7% of playing pairs included at least one girl
67.3% of playing pairs included at least one boy
