4692 Mounting Type SOP DIP SOT QFP QFN BGA Description 4692 Application 4692 Type 4692 Series 4692 Features 4692 Manufacturing Date Code 2024 Show more Lead time Know your supplier Shenzhen Nengliang Technology Co., Ltd. 1 yrLocated in CN ...
解答一 举报 3,4,5,x,y的标准差是根号2,即方差为2,则 0+1+4+(x-3)^+(y-3)^=2这有可能吗? 解析看不懂?免费查看同类题视频解析查看解答 相似问题 已知样本7,8,9,x,y的平均数是8,标准差为2,则xy的值是_. 已知样本9,19,11,x,y的平均数是10,标准差是根号2,则xy= 已知样本9,10,11,x...