(08.05 MC) A spa owner gives a survey to all of her customer…

(08.05 MC) A spа оwner gives а survey tо аll оf her customers asking them to rate the quality of the service they received. She then keeps track of how many customers return to the spa for additional services during the next six months. Last year, the results showed that of the customers who reported high quality service, 15% returned for additional services. What conclusion can be drawn from this study?