Six Second Grade Students Tried Tossing a Ball into a Basket

question 61

Multiple Choice

Six second grade students tried tossing a ball into a basket ten times each.Their teacher then suggested a different way of tossing the ball, and the six students tried again.The
Number of successful tosses, before and after the teacher's added instruction, are shown
Below.
Ignoring the differences of 0, the positive rank sum is:

• A)+9
• B)+3
• C)-4
• D)+1

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Definitions:

White Matter

The pale-colored part of the central nervous system that is composed of myelinated nerve fibers.

Ascending Tracts

Nerve pathways that go upward in the spinal cord and brainstem, conveying sensory information from the body to the brain.

Decussate

To cross or intersect so as to form an X; often refers to neural pathways in the central nervous system.

Cervical Enlargement

a widened area of the spinal cord that supplies nerves to the upper limbs.