Obtain the Correlation Matrix
-A Gym Teacher Uses Three Exercises $- 0.821$

Multiple Choice

Obtain the Correlation Matrix
-A gym teacher uses three exercises to increase arm strength: push-ups, pull-ups, and rope climbing. He has 10 students in small class. The exercises consist of doing as many push-ups as possible in 2 minutes. After a rest the student does as many push-ups as possible in 2 minutes. After a rest the student climbs a rope and the time is recorded in seconds. The data for this class is given below. What is the correlation between pull-ups and the time to climb the rope?

A) $- 0.821$
B) $- 0.882$
C) $0.709$
D) $0.003$