At a large department store customers were asked to rate the service and the materials purchased on

Question:

At a large department store customers were asked to rate the service and the materials purchased on a scale from 1 to 10, with 10 being the highest rating. Then the amount that they spent was recorded. Is there evidence of a relationship between the rating and the amount that they spent?

Rating x 2 9 1 5 6. Amount spent y 90 $83 $42 $110 $27 $31