Multiple Sclerosis (MS) Is an Autoimmune Disease That Affects the Brain

question 3

Essay

Multiple sclerosis (MS) is an autoimmune disease that affects the brain and spinal cord.
MS affects women more than men, and is most commonly diagnosed between the ages of 20 and 40. MS sufferers typically have problems of coordination and walking. The standard care for some sufferers is a plastic device affixed to the lower leg and ankle. In a recent test of this device, volunteers with MS were timed as they walked across a room.
Times, measured without the device (ND) and with the device (D), are presented below.

-Construct a back-to-back stem-and-leaf display that will allow comparison of thetimes on the walking task.

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Definitions:

Leukemia

A cancer of the blood and bone marrow, defined by the overabundance of irregular white blood cells.

Singular

Referring to a single unit or individual element, as opposed to multiple items or a group.

Plural

A word variation that signifies a quantity greater than one.

Nephrology

A branch of medicine concerned with the study, diagnosis, and treatment of kidney diseases.