並前往https://fonghu0217.pixnet.net/blog/post/38076287-%E9%AA%A8%E8%B3%AA%E7%96%8F%E9%AC%86%E8%A6%81%E5%90%8C%E6%99%82%E7%9C%8B-t-z-score%E6%89%8D%E6%BA%96