Pulse Rate at Rost
Pulse Rate
After Exercise
Student
Tested
70
А
B
97
106
74
D. Investigation 4
an inclined plane.
9-1-2021 SC.7.N.1.2
Correct:
Pulse Rate Before and After Exercise
During a laboratory activity, a group of students obtained the data
shown to the left. Which procedure would increase the validity of
the conclusions drawn from the results of the experiment?
(beats/min) (beats/min)
A. Decreasing the number of students participating in the
activity
B. Increasing the number of times the activity is repeated
C. Changing the temperature in the room
D. Eliminating the rest period before the resting pulse rate is
Average
taken
83
120
с
D
91
60
78
122
E
Group
107