예제와 함께하는 쉬운 통계. “대응 표본 T 검정(Paired samples T test 또는 pair ed difference test).”, <https://m.blog.naver.com/PostView.nhn?blogId=istech7&l ogNo=50151133154&proxyReferer=http%3A%2F%2Fwww.google.co.kr%2Fur l%3Fsa%3Dt%26rct%3Dj%26q%3D%26esrc%3Ds%26source%3Dweb%26cd%3D 21%26ved%3D2ahUKEwiYqpqc7NvkAhXSLqYKHZOuCD8QFjAUegQIAxAB%26u rl%3Dhttp%253A%252F%252Fm.blog.naver.com%252Fistech7%252F50151133 154%26usg%3DAOvVaw22Gvfw9ogUItzWzXuaQY_y>