Which of the Following Is a Necessary Condition for Making

question 303

Multiple Choice

Which of the following is a necessary condition for making a call on a smartphone?

• A) Speaking clearly.
• B) Turning the phone on.
• C) Calling a friend.
• D) Selecting a ring tone.
• E) Inputting often used numbers.

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Definitions:

Covariance

A measure of the degree to which two variables move in relation to each other, with a positive covariance indicating that they tend to move in the same direction.

Standard Deviation

A statistical measure that represents the dispersion or variability of a set of data points, often used in finance to gauge the volatility of an investment's return.

Security Characteristic Line

A line used in finance to represent the linear relationship between the returns of a stock and the returns of the market.

Excess Return

Rate of return in excess of the risk-free rate.