Observe the table,

A consumer service company rated several pairs of shoes by cost, level of comfort, look, and

longevity using a scale of , with being low and being high is shown.

a.

Write a matrix for the information.

The matrix is .

In the matrix each row represents the consumer service brands and column represents qualities.

b.

Brand C.

It was the highest rating possible for cost and comfort, and a high rating for looks,and it will last a

fairly long time.

c.

Yes.

Finding the sum of the rows and then calculating the average will provide an easy way to compare

the data.

a. .

b. Brand C.

c. Yes.