The sample used in Education as students 1 through 3 rooms totaling 106 students at 2 3 139 people and has a number of students at all three facilities totaling 3 108 people.
Samples used in the study as students of grade 3 106 total rooms 1 persons, all students in grade 3, all at 2 139 people and pupil school all 3 rooms 3 of 108 people.
The sample group used in the study is a Mathayom 1 student 3 rooms all 106 members of the Mathayom 2 student 3 rooms all members 139 and a Mathayom 3 student 3 rooms all 108 members.