Variance Is Best Defined As

question 46

Multiple Choice

Variance is best defined as:

• A)difference of opinion in expected returns.
• B)the mean of the squared deviations from the expected value.
• C)the median difference between the most probable outcome and least probable outcome.
• D)the difference between the expected return and the actual return.

---

Definitions:

Downcutting

A process by which streams or rivers erode their beds, cutting downwards into the ground and often leading to valley deepening.

Ice Ages

Periods of extensive glacial coverage, where major portions of the Earth's surface are covered by ice sheets.

Delta

A landform at the mouth of a river, formed from the deposition of sediment carried by the river as it enters slower-moving or standing water.

Horizontal Layers

Layers of material, such as sedimentary rock, that are deposited in a flat or nearly flat arrangement.