A garage sells tires of types A. B. and C. and this year's and last year's sales

Question:

A garage sells tires of types A. B. and C. and this year's and last year's sales of the three types are given in DS 10.6.5. Is there evidence of a change in the preferences for the three types of tire between the two years?
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question
Question Posted: