This dissertation provides discussion and clarification on the concepts of probability and statistics with which high school students in Taiwan easily get confused. Targeting the questions to which students tend to give the wrong answers, this dissertation, through the process of clarification and deduction, helps students better understand the concepts of probability and statistics, thereby being able to apply them in their daily lives. Through the elucidation of the concepts in the thesis, students are also expected to have little difficulty in this field after studying in college and cultivate abilities for the business related to statistics in the future. They are also expected to know the meanings statistics stand for, and make the right strategies.