A purchasing agent for Glucan lab is is trying to determine the best delivery provider to use for delivering instruments to customers after they have been repaired or recalibrated. She has developed an index, on a scale of $1$ to $5(5$ is outstanding$)$ that weights the key quality factors of time, service, and cost. Three delivery services, A$,$ B$,$ and $C,$ are candidates for a long term blanket contract with Glucantest. The data shown below were gathered in test deliveries to $10$ customers. What recommendation would you make, based on these data. Defined the hypothesis and the finding

Delivery Comparison

$\backslash$table$[[\backslash$table$[[$Delivery$],[$Test No$.$ Supplier A$]],$Supplier B$,$Supplier C$,],[1,4,5,3],[2,5,2,4],[3,4,3,1],[4,3,3,3],[5,5,2,2],[6,3,3,4],[7,4,4,2],[8,5,1,3],[9,2,4,1],[10,3,2,2]]$