What Does the Variance Sum Law State

question 7

Multiple Choice

What does the variance sum law state?

• A)That the variance of a difference between two independent variables is equal to the sum of their variances.
• B)That the sum of the variances of two independent variables is larger than the sum of their individual variances.
• C)That the variance of a difference between two independent variables is larger than the sum of their variances.
• D)That the variance of a difference between two independent variables is smaller than the sum of their variances.

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Definitions:

Ilium

The Ilium is the largest bone of the pelvis, constituting the uppermost and largest part of the hip bone.

Ischial Tuberosity

The part of the pelvis where the sitting bones are located and where some of the thigh muscles attach.

Hipbone

The large bone that forms the lower part of the pelvis on each side of the body, comprised of the ilium, ischium, and pubis.

Pelvic Outlet

Inferior opening of the true pelvis.