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Marshal-Edgeworth Index

Thursday November 5th, 2015 Morgan Fardo 0

The Marshal-Edgeworth index is calculated considering the mean of price and quantities between the base period (zero) and the current period (actual). Thus, the Marshal-Edgeworth price […]

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Fisher Index

Thursday November 5th, 2015 Morgan Fardo 0

The Fisher index can be defined as the geometric mean between the Paasche index and Laspeyres index.     where: IFisher = Fisher index IPaasche= Paasche index […]

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Laspeyres Index

Thursday November 5th, 2015 Morgan Fardo 0

The Laspeyres index is calculated by the division between the money amount in current prices (current price multiplied by base quantity) needed to purchase a basket of […]

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Paasche Index

Monday November 2nd, 2015 Morgan Fardo 0

The Paasche index is calculated by the division between the money amount in current prices (current price multiplied by current quantity) needed to purchase a […]

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Expected Value

Wednesday March 14th, 2012 Morgan Fardo 0

The expected value of a discrete random variable is the probability-weighted average of all possible values. In other words, each possible value the random variable can assume […]

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Variance

Wednesday March 7th, 2012 Morgan Fardo 0

The variance measures how far a set of numbers is spread out. The variance of a data set is the squared sum of the distance between each number and […]

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Geometric Mean

Monday March 5th, 2012 Morgan Fardo 0

The geometric mean of a set of positive numbers is defined by the “nth root” of the “n”numbers multiplication.     The geometric mean is widely used in financial […]

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Harmonic Mean

Monday March 5th, 2012 Morgan Fardo 0

The harmonic mean of real positive numbers x1,…,xn is definided as the number of numbers divided by the sum of the inverse of each number, […]

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Measures of Central Tendency

Sunday March 4th, 2012 Morgan Fardo 0

Measures of Central Tendency shows  the value around the observations are grouped. The most common measures of central tendency are the mean (aritmetic/harmonic/geometric), the median and […]

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Frequency Distribution

Saturday February 25th, 2012 Morgan Fardo 0

The frequency distribution is a list of values a variable can take in a sample. Its typically a list, sorted by quantities or classes, which […]

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Arithmetic Mean

Wednesday February 8th, 2012 Morgan Fardo 0

The arithmetic mean or just mean, of a finite number of numbers is equal the sum of all of them divided by the amount of added […]

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Standard Deviation

Wednesday February 8th, 2012 Morgan Fardo 0

The standard deviation is a measure that is used to quantify the amount of variation or dispersion of a set of data values. A standard […]

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Mode

Wednesday February 8th, 2012 Morgan Fardo 0

The mode is the value that appears most often in a set of data. Example: A= { 1,2,3,4,5,5,6,7,8,9,9,9} The mode of this data set is […]