The Variance of a Sample of 81 Observations Equals 64

question 143

Multiple Choice

The variance of a sample of 81 observations equals 64. The standard deviation of the sample equals

• A)9
• B)4096
• C)8
• D)6561

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Definitions:

Time Value

The concept that money available at the present time is more valuable than the same amount in the future due to its potential earning capacity.

Money

A medium of exchange that facilitates the transfer of goods and services.

Average Accounting Return

A financial ratio indicating the average profitability of investments, calculated as the average annual net income divided by the average book value.

IRR

Internal Rate of Return, a metric used in financial analysis to estimate the profitability of potential investments.