John is training his dog, Sport, for the upcoming dog agility competition. The dogs are grouped based on height measured to the shoulder. The table shows the shoulder height of each dog in inches and their course times in seconds. Participant 1 2 3 4 5 6 7 Shoulder Height (in) 14 14 15 15.5 16 16 18 Course Time (secs) 72 65 67 61 50 55 54 Using the line of BEST fit, determine the predicted course time for a dog with a shoulder height of 17.5 in, rounded to the nearest hundredth. 49.37 seconds 51.62 seconds 53.85 seconds 56.09 seconds