15-3. Adepartment manager at one of theACEDepartment Stores is interested in the relationship between sales force training and customer satisfaction with the service as indicated by customer responses to a brief survey taken randomly at time of purchase.

Customer Satisfaction Poor Good Excellent Days of Training 1 day 10 15 2 2 days 7 10 9 3 days 5 15 8 4 days 3 20 10 Are days of training and customer satisfaction independent? What is the p-value?