The Standard Deviation of a Path Is Computed As

question 12

Multiple Choice

The standard deviation of a path is computed as:

• A)the sum of the standard deviations of all activities on the path
• B)the square root of the sum of the standard deviations of all activities on the path
• C)the sum of the variances of all activities on the path
• D)the square root of the sum of the variances of all activities on the path
• E)None of the above

---

Definitions:

Nephron

The functional unit of the kidney, responsible for filtering blood and producing urine.

Microvilli

microscopic cellular membrane protrusions that increase the surface area for absorption, especially in the epithelial cells of the intestines.

Proximal Convoluted Tubule

The portion of the nephron in the kidney involved in the reabsorption of water, ions, and nutrients from the filtrate.

Active Transport

The movement of substances across a cell membrane against their concentration gradient, requiring energy in the form of ATP.