某企业某种产品与单位成本的资料如下表所示:要求:计算产品产量与单位成本的相关系数。
要求:计算产品产量与单位成本的相关系数。
Complete each of the following sentences with a (compound) word derived from the one(s) given in brackets.
A really bad cold pulls you down and leaves you feeling very ( ) .(misery)