Var(aX + BY)=

question 22

Multiple Choice

var(aX + bY) =

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Definitions:

Matrix

A rectangular array of numbers or other mathematical objects, used in mathematics and related disciplines to represent and solve systems of linear equations and other problems.

Decay

The process of degradation or decline, as in the breaking down of organic matter or the gradual loss of information from memory over time.

Short-Term Memory

The ability to hold a small amount of information in mind in an active, easily accessible state for a short period.

Rehearsal

A cognitive process in which information is repeated over and over as a possible way of learning and remembering it.