(Requires Statistics Background Beyond Chapters 2 and 3 ) One $a \chi ^ { 2 }$

Essay

(Requires Statistics background beyond Chapters 2 and 3 ) One way to establish whether or not there is independence between two or more variables is to perform $a \chi ^ { 2 }$ - test on independence between two variables. Explain why multiple regression analysis is a preferable tool to seek a relationship between variables.