The samThe sample data shown in table below are collected from a firm$$s shipping and

production records to provide cost information about a firm$$s shipping department. The

manager of the shipping department wants to identify the relationship between labor

requirements $($Y$)$ and pounds shipped $($X$1),$ percentage of units shipped by truck $($X$2),$

and average shipment weight $($X$3)$ for capacity planning purposes in future periods.

Answer the following questions based on the given dataple data shown in table below are collected from a firm$$s shipping and

production records to provide cost information about a firm$$s shipping department. The

manager of the shipping department wants to identify the relationship between labor

requirements $($Y$)$ and pounds shipped $($X$1),$ percentage of units shipped by truck $($X$2),$

and average shipment weight $($X$3)$ for capacity planning purposes in future periods.

Answer the following questions based on the given data