Standard Deviation

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Standard Deviation
Statistical measures of spread by Peter Flom When we have quantitative data, one thing we often want to know is where the center is, and, for that, we can look at the mean, median, mode, trimmed mean, and other measures. But we also want to know how spread out the numbers are. Are they all clu... More> Understanding the mark to model concept by Raymond Turro The current credit market situation would be laughable if it wasn't so serious. It is playing out like a bad daytime soap opera. The latest buzzword that is entering the everyday lexicon is mark-to-model. All bond traders to some degree price securi... More>
	How to invest using modern portfolio theory by Philip Melton A variety of investment theories exist aimed at providing the greatest return for your money. Though some, at times, may prove successful, the success of these theories is never guaranteed. No theory can accurately predict the direction the stock ma... More> An introduction to the main statistical terms by Kat Centeno Statistics is an interpretation of a collection of data by using mathematical methods. Statistics can measure observations in terms of correlating an important idea after another. It can describe properties of a set of data and predict occurrences o... More>
How to calculate descriptive statistics in SPSS by William Menna SPSS is one of the most frequently used research tools in the social sciences and other fields of research. SPSS is a program which uses a wide variety of tests and analyses to break down the statistical trends of a dataset. One of these analyses is... More> The causes of developmental disabilities by Charles Vassilopoulos A Concept of Developmental (Mental) Disabilities Developmental (Mental) Disabilities, commonly abbreviated to DD and formerly known as Mental Retardation, is more a socially defined concept than a medical diagnosis. A medical diagnosis suggests that... More>
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