To find the standard score, or "z-score," first determine the score, mean and standard deviation of the set. The z-score is calculated using the formula "z = (x - u) / o," where x is the recorded score, u is the mean sco...

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Standard deviation is the traditional calculation used to determine the volatility of stocks, explains Investopedia. The calculation for standard deviation is the square root of the average squared deviation of the data ...

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The square root of 3 is 1.7320508, or approximately 1.73. The calculation may be quickly performed by hitting the square root symbol followed by 3 on a calculator.

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A stem and leaf plot with decimals is an organized representation of the frequency with which certain numbers containing decimals occur in a set of data. Stem and leaf plots can be applied in a number of different fields...

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Quartiles can be discovered by arranging a set of numbers from smallest to highest and then dividing the data into separate groups. Finding the quartiles of a data set is useful for discovering trends, such as the median...

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A bipartite graph, also known as a bigraph, refers to a graph whose vertex set can be divided into two independent sets. The division is done in such a way that each edge of the graph connects a vertex in the first set t...

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The mean IQ score is 100 points, and results fall into a normal distribution curve with a standard deviation of 15 points. This means that 68 percent of people fall within a single deviation, or 85 to 115 points, and 95 ...

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