Which of the Following Statements About the Covariance Is Correct

question 17

Multiple Choice

Which of the following statements about the covariance is correct?

• A) The covariance measures risk.
• B) The covariance is a number between -1 and +1.
• C) The covariance measures how two variables move relative to each other.
• D) All of the above are correct.

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Definitions:

Parallel Logic

A method of computation or digital circuit design where multiple processes or operations are carried out simultaneously.

AND Logic

A fundamental logic operation where the output is true only if all the inputs are true, used in computing and digital circuits.

Contacts

Electrical components that physically connect two points in a circuit, allowing electricity to flow, or in software applications, they refer to information records for individuals or organizations.

Output Instructions

Commands in programming languages or PLCs that control the output actions or devices, based on logic or conditions.