The t-test is principally a test of

The options are

A. balance

B. agility

C. coordination

d. all of the above

The answer is B. agility

The t test in exercise is a test of agility that involves running forwards, backwards and laterally between four cones set out in a T shape - one at each end point of the capital T and one at the midway point where the vertical and horizontal lines intersect.

answer; i believe its the red blood cells; plz check first good luck