33 A student hypothesized that the pulse rates of his classmates would
increase after walking. The student then obtained pulse rates from five
classmates after they walked for 15 minutes. The data, in beats per
minute, were recorded as: 78, 68, 84, 88, and 90. 78 Identify the
DEPENDENT VARIABLE in this investigation.
Walking
O Exercise
The time
O Pulse rate
Five classmates
I ran out of class time to answer this question