${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{i}s\text{d}\text{a}\text{t}\text{a}\text{o}\text{b}\text{t}\text{a}\text{i}\text{n}\text{e}\text{d}\text{f}\text{r}\text{o}\text{m}\text{o}\text{b}\text{s}\text{e}\text{r}\text{v}\text{a}\text{t}\text{i}\text{o}\text{n}\text{s}\text{a}\text{n}\text{d}\text{s}\text{u}\text{r}\text{v}\text{e}\text{y}\text{s}\text{a}\text{n}\text{d}\text{i}\text{n}\text{t}\text{e}\text{r}\text{v}\text{i}\text{e}\text{w}\text{s}\text{w}\text{h}\text{i}\text{l}\text{e}{?}_{?}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_d\text{a}\text{t}\text{a}\text{o}\text{b}\text{t}\text{a}\text{i}\text{n}\text{e}\text{d}\text{f}\text{r}\text{o}\text{m}\text{o}\text{b}\text{s}\text{e}\text{r}\text{v}\text{a}\text{t}\text{i}\text{o}\text{n}\text{s}\text{a}\text{n}\text{d}\text{s}\text{u}\text{r}\text{v}\text{e}\text{y}\text{s}\text{a}\text{n}\text{d}\text{i}\text{n}\text{t}\text{e}\text{r}\text{v}\text{i}\text{e}\text{w}\text{s}\text{.}}$

Group $of$ answer choices

Alternative Hypothesis; Null hypothesis

Primary Data Sources; Secondary Data Sources

Null hypothesis; Alternative Hypothesis

Secondary Data Sources; Primary Data Sources