Tabulation of Results
which_year x gender_of_bully
BothBoysGirlsNot_bul
Both41520
Differnt52720
Not_bul31182
Same627162


Tabulation of Expected Results
which_year x gender_of_bully
BothBoysGirlsNot_bul
Both1.967.622.289.14
Differnt3.1712.333.714.8
Not_bul8.1131.559.4737.87
Same4.7618.55.5522.2


Statistical Results
Pearson's Chi-squared test with simulated p-value (based on 2000 replicates)
Chi Square Statistic186.66
P value0