I the Normal Curve Falls Off Smoothly in Either Direction

question 99

Multiple Choice

i. The normal curve falls off smoothly in either direction from the central value. Since it is asymptotic, the curve gets closer and closer to the X-axis, but never actually touches it. ii. The mean (µ) divides the normal curve into two identical halves.
iii. The number of different normal distributions is unlimited.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Subarachnoid Space

The interval between the arachnoid membrane and the pia mater that is filled with cerebrospinal fluid, and surrounds the brain and spinal cord.

Cerebrospinal Fluid

A transparent, colorless fluid present within the brain and spinal cord that serves to protect the brain's cortex by cushioning it, offering essential mechanical and immunological defense within the skull.

Spinal Tap

A medical procedure where a needle is inserted into the lower back to collect cerebrospinal fluid for testing.

Enlargements

Increases in size or volume of an organ or structure, often due to cell growth or accumulation of materials.