Marshal-Edgeworth Index
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 […]
Statistics
Fisher Index
The Fisher index can be defined as the geometric mean between the Paasche index and Laspeyres index. where: IFisher = Fisher index IPaasche= Paasche index […]
Laspeyres Index
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 […]
Paasche Index
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 […]
Expected Value
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 […]
Geometric Mean
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 […]
Harmonic Mean
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, […]
Measures of Central Tendency
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 […]
Frequency Distribution
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 […]
Arithmetic Mean
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 […]
Standard Deviation
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 […]