如何计算直方图的平均值和标准差

简介：Mu Nuanyang walked over quietly, stretched out his hand and handed out a piece of tissue. Su Can felt someone beside him handing him a tissue, so he took it and wiped his mouth. He turned around and saw Mu Nuanyang, teasingly saying, "You are not talking to those people." Are the yamen keeping in touch with each other? He seemed very relaxed and didn't take Young Master Mu's identity seriously at all.