外卖与学习成绩的关系 |
The relationship between takeout & academic performance
Two different research ways
Systematic
Voluntary respond
Determine the sample size
Random chooes 30 students to do questionnaire from Senior 1
Others answer collected form Wechat
Determine the questionnaire
Grade
Gender
Cost
Santitation
Frequence
Purpose
Hypothesis
Most of students who call takeout are boys.
Most of students who call takeout are senior 2&3.
AP class and CIS class students seldom call takeout.
The students who don't call takeout because takeout is dirty.
Collectig the answer in two ways
Questionnaire
Data management
Analyze the data
Mean
Median
Mode
Standard deviation
Conclusion