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

question 26

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.

-Using appropriate statistical terminology, compare the center, shape, and spread oftimes on the walking task with and without the device.

---

Definitions:

Viruses

Microscopic infectious agents that replicate only inside the living cells of organisms, causing various diseases.

Beneficial

Producing good effects or advantageous outcomes; helpful or favorable.

Neutral

In genetics, refers to mutations that have no beneficial or harmful effect on the organism; in physics, relates to particles or objects without net charge.

Theodosius Dobzhansky

A prominent geneticist and evolutionary biologist, known for his work in population genetics and evolution.