Examlex
Which one of the following mineral groups exhibits a sheet-like silicate structure?
Standard Deviation
Square root of the variance.
Alpha
In investing, alpha is a measure of the performance of an investment relative to a suitable benchmark index, indicating excess or deficient return.
Security
A financial instrument representing ownership in a publicly-traded corporation (stock), a creditor relationship with a government or corporation (bond), or rights to ownership as represented by an option.
Rate of Return
The profit or deficit from an investment during a designated time frame, represented as a fraction of the investment's initial value.
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