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EX $28\mathrm{.}05$

Performance metrics

$\backslash$table$[[,$Shipping Procedure A$,$Shipping Procedure B$],[$Number of shipping errors,$105,132],[$Hours from ordered to shipped,$16\mathrm{.}3,19\mathrm{.}2],[$Shipping time $($hours from shipped to delivered$),8\mathrm{.}7,8\mathrm{.}5],[$Pounds of goods shipped,$860,000,797,000],[$Number of shipments,$306,315]]$

a$.$ Compute the following performance metrics for each program:

$(1)$ Average number of shipping errors per shipment, rounded to three decimal places.

Procedure A: $$ error per shipment

Procedure B: $$ error per shipment

$(2)$ Hours from ordered to delivered, rounded to one decimal place.

Procedure A: $$ hours from ordered to delivered

Procedure B: $$ hours from ordered to delivered

$(3)$ Average pounds of goods per shipment, rounded to two decimal places.

Procedure A: $$ Ibs. of goods per shipment Procedure B $$ lbs$.$ of goods per shipment

b$.$ Which program should the company implement moving fonward?