An Aggregate Function Is _____

question 42

Multiple Choice

An aggregate function is _____.

• A) a function that calculates a statistic such as a subtotal or average
• B) a mathematical expression,such as [Qty]*[UnitsSold]
• C) a way to group records,such as by state or postal code
• D) a way to test the accuracy of data

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Definitions:

Risky Securities

Financial instruments that carry a higher risk of losing the principle due to volatile market conditions but potentially offer higher returns.

Weighted Average

This is an average in which each quantity to be averaged is assigned a weight, reflecting its importance.

Variances

Statistical measures that represent the degree of spread or dispersion of a set of values around their mean, commonly used to quantify risk in finance.

Covariances

Indicators of how two or more variables are related and move together.