Data Analysis
1. collect information from the survey
2. The information from the survey to find out the Average percent or
3. Compare information and knowledge of the students in the Mathayom 1 year, 2 year and a 3 by the graph
4.Summary of the results of the operation
การแปล กรุณารอสักครู่..
![](//thimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)