Breathe deeply: Breathing rates, in breaths per minute, were measured for a group of ten subjects at rest, and then during moderate exercise. The results were as follows: Subject Rest Exercise 1 11 30 2 12 37 3 17 39 4 13 37 5 14 40 6 11 39 il 15 34 8 10 40 9 14 38 10 10 34 Send data to Excel Part 1 of 2 (a) Construct a 98% confidence interval for the mean increase in breathing rate due to exercise. Let d represent the breathing rate at exercise minus the breathing rate at rest. Use the table and round the answers to one decimal place. The 98% confidence interval for the mean increase in breathing rate due to exercise is ' '