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Related to Central Tendency: standard deviation, measures of dispersion


number used to represent or characterize a group of numbers. The most common type of average is the arithmetic meanmean,
in statistics, a type of average. The arithmetic mean of a group of numbers is found by dividing their sum by the number of members in the group; e.g., the sum of the seven numbers 4, 5, 6, 9, 13, 14, and 19 is 70 so their mean is 70 divided by 7, or 10.
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. See medianmedian.
1 In statistics, a type of average. In a group of numbers as many numbers of the group are larger than the median as are smaller. In the group 4, 5, 6, 9, 13, 14, 19, the median is 9, three numbers being larger and three smaller.
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; modemode,
in statistics, an infrequently used type of average. In a group of numbers the mode is the number occurring most frequently. In the group 1, 4, 5, 5, 6, 6, 6, 6, 9, 9, the mode is 6 because it occurs four times and the others only once or twice.
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in maritime law. (1) General average—property damage caused intentionally to a ship or its cargo to avoid danger to both or to forestall losses (for instance, the jettison of cargo or of ship provisions to lighten the ship in trying to get off a sandbank). The USSR Trade Navigation Code defines general average as losses suffered as a consequence of intentional and reasonable emergency expenditures and sacrifices to save a ship or its cargo from danger. The losses incurred in the case of general average are distributed proportionally according to the value of the ship, freight, and heavy loads.

(2) Particular average—unintentional damage caused to a ship or its cargo or in connection with their movement; the losses in the case of particular average are borne by those who suffered them or by those who are responsible for having caused them.

In Soviet legislation questions relating to general and particular average are regulated by the USSR Trade Navigation Code. In international trade, relations arising out of general average are regulated by the York-Antwerp Rules (the 1950 edition). These rules are applied only according to an agreement between the parties included in their contract of affreightment.




1. the result obtained by adding the numbers or quantities in a set and dividing the total by the number of members in the set
2. (of a continuously variable ratio, such as speed) the quotient of the differences between the initial and final values of the two quantities that make up the ratio
3. Maritime law
a. a loss incurred or damage suffered by a ship or its cargo at sea
b. the equitable apportionment of such loss among the interested parties
References in periodicals archive ?
Using the standard deviation, we find that an increase in the width of the central tendency is associated with higher market-implied uncertainty about the future path of rates.
In addition to the central tendency of the group as a whole, we are also interested in looking at how the individuals varied away from (or dispersed around) the central tendency.
Expected inflation has moved up recently, but the central tendency has moved down.
As usual, the trend line represents the central tendency of the data set for any given unit of measure, in this case, odometer mileage.
Therefore, many researchers report the median RT as a central tendency parameter, because it is less susceptible to departures from normality (i.
The primary goal of this article is to evaluate the reliability of the midpoint of the central tendency as a measure of consensus.
Assume prediction is possible (clockwork universe); gather data and relationships and see what you learn (inductive thinking); identify central tendencies (law of large numbers); rely on logic, math, and science (science as a predictive discipline); identify areas to be evaluated for change impacts (future-oriented mind-set); identify key trends and forces (change drivers); and pursue central tendency causal impacts as far as possible while assuming other things unchanged (disciplined web of implications).
Following past practice, we will publish the central tendency and the range of the projections for each variable and each year.
Cohen takes an accessible, conversation approach when introducing the conceptual foundations and basic of statistic procedures, a practice he continues with material on frequency tables, graphs, distributions, measures of central tendency and variability, standardized scores and the normal distribution, hypothesis testing with one or two samples, internal estimation and the t distribution, the t test for two independent sample means, statistical power and effect size, linear correlation and regression, the matched t test, one-way independent ANOVA and two-way ANOVA, multiple regression and its connection to ANOVA, nonparametric statistics, chi-square tests and statistical tests for ordinal data.
The article gave examples of tasks used on the National Assessment of Educational Progress (NAEP) to assess students' understanding of measures of central tendency.
The arithmetic mean is a measure of central tendency produced by dividing the sum of the prices of all items by the total number of items.

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