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When only a sample of data from a population is available, the term standard deviation of the sample or sample standard deviation can refer to either the above-mentioned quantity as applied to those data, or to a modified quantity that is an unbiased estimate of the population standard deviation (the standard deviation of the entire population).
The leasing company setting the residual values (RVs) will use their own historical information to insert the adjustment factors within the calculation to set the end value being the residual value. In accounting, the residual value could be defined as an estimated amount that an entity can obtain when disposing of an asset after its useful ...
An appropriate capitalization rate is applied to the excess return, resulting in the value of those intangible assets. That value is added to the value of the tangible assets and any non-operating assets, and the total is the value estimate for the business as a whole. See Clean surplus accounting, Residual income valuation.
A project value is computed for each scenario, and the expected commercial value is obtained by multiplying each situation's value by the scenario odds and adding the results. Depending on the procedures used to estimate the value of the project under each scenario, ECV can be a useful way to address project uncertainties.
Bias in standard deviation for autocorrelated data. The figure shows the ratio of the estimated standard deviation to its known value (which can be calculated analytically for this digital filter), for several settings of α as a function of sample size n. Changing α alters the variance reduction ratio of the filter, which is known to be
The average magnitude of the observations is merely an approximation of the standard deviation of the market index. Assuming that the market index daily changes are normally distributed with mean zero and standard deviation σ, the expected value of the magnitude of the observations is √(2/ π)σ = 0.798σ. The net effect is that this crude ...
Deprival value is a concept used in accounting theory to determine the appropriate measurement basis for assets. It is an alternative to historical cost and fair value or mark to market accounting. Some writers prefer terms such as 'value to the owner' or 'value to the firm'.
The 5% Value at Risk of a hypothetical profit-and-loss probability density function. Value at risk (VaR) is a measure of the risk of loss of investment/capital.It estimates how much a set of investments might lose (with a given probability), given normal market conditions, in a set time period such as a day.