Part 2 Results of hypothesisData queries and comments regarding the reasons for the occurrence of pritnachatchen and circle the most.Students from grade 4 number of 40 people as male students female students who were 29 11.
Part 2 is the fictional base data questionnaire about the causes and possible three-dimensional ชัดเจนและ most from college students 4 number 40. Male students, female students 11 29 People .