The Covariance of Two Variables X and Y

question 163

Multiple Choice

The covariance of two variables X and Y:

• A)must be between -1 and +1.
• B)must be positive.
• C)can be positive or negative.
• D)must be less than +1.

---

Definitions:

Percent

A rate, number, or amount in each hundred; a fraction of a whole expressed in hundredths.

Billion Dollars

Billion Dollars represents a sum of one thousand million dollars, often used to describe the scale of government budgets or large company values.

Fiscal Quarter

A three-month period within a fiscal year used for financial reporting and forecasting.

Forecast Profit

An estimate of future financial gain or income, usually based on analysis of current and past trends.