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:

Opportunity

A set of circumstances that makes it possible to do something, especially something that might lead to success or advancement.

Business Plan

A document that outlines a company's strategic direction, goals, and the methods it will use to achieve those goals.

Windows of Opportunity

Specific periods during which the conditions are right to pursue a particular action or make a change to gain a strategic advantage.

Product Life Cycle

The progression of a product through stages of introduction, growth, maturity, and decline in the market.