${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}is\text{c}\text{o}\text{n}\text{s}\text{i}\text{d}\text{e}\text{r}\text{e}\text{d}tobe\text{m}\text{o}\text{r}\text{e}\text{c}\text{h}\text{a}\text{l}\text{l}\text{e}\text{n}\text{g}\text{i}\text{n}\text{g}\text{f}\text{o}\text{r}{?}_{?}{?}_{{?}_{?}}{?}_{{?}_{?}}\text{d}\text{u}\text{e}to\text{t}\text{h}\text{e}\text{h}\text{i}\text{g}\text{h}\text{e}\text{r}\text{v}\text{a}\text{r}\text{i}\text{a}\text{t}\text{i}\text{o}\text{n}in\text{i}\text{n}\text{p}\text{u}\text{t}\text{.}}$

$(Select1)(2pts)$

Question $2-{?}_{?}{?}_{{?}_{?}}{?}_{{?}_{?}}is$ considered $tobe$ more challenging for ${?}_{?}{?}_{{?}_{?}}{?}_{{?}_{?}}$ due $to$ the higher variation $in$ input.

Uniformity $of$ input; inventory management

Measurement $of$ productivity; managers

Wages; manufacturing

Labor content $of$ jobs; operations

Quality assurance; services