Jill is creating a graph from data she has collected in a data table. she conducted an experiment to determine the effects of different activities on the human heart rate. jill monitored the heart rate of her friend during three activities: watching television, running, and doing yoga. data from 3 trials for each activity were recorded. which of these titles is the best one for jill's graph? a) running effects heart rate the most b) the effects of activities on heart rate c) which activity effects the heart the most? d) how yoga and other activities influence heart rate need now