Tabulation of Results
type_of_bullying x which_year
BothDifferntNot_bulSame
Both9819
Mental11151029
Not_bul11755
Physical01018


Tabulation of Expected Results
type_of_bullying x which_year
BothDifferntNot_bulSame
Both2.944.7612.177.13
Mental7.0711.4529.317.18
Not_bul8.9214.4536.9621.67
Physical2.073.358.565.02


Statistical Results
Pearson's Chi-squared test
Chi Square Statistic144.85
Degrees of Freedom9
P value0