# arithmetic mean

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## arithmetic mean

an average value of a set of integers, terms, or quantities, expressed as their sum divided by their number

## arithmetic mean

[¦a·rith¦med·ik ′mēn]
(mathematics)
The average of a collection of numbers obtained by dividing the sum of the numbers by the quantity of numbers. Also known as arithmetic average; average (av).

## arithmetic mean

(mathematics)
The mean of a list of N numbers calculated by dividing their sum by N. The arithmetic mean is appropriate for sets of numbers that are added together or that form an arithmetic series. If all the numbers in the list were changed to their arithmetic mean then their total would stay the same.

For sets of numbers that are multiplied together, the geometric mean is more appropriate.
References in periodicals archive ?
The mean average for the item that states, "Women are not assigned to posts where they have the opportunity to advance their careers" was found to be 3.
While high-volume yet simple interactions, such as password reset and account balance, are carried out via self-service, whether through IVR or the website, the overall industry ASA mean average has stayed relatively steady since around 2005, at 25 to 30 seconds.
It is used to calculate the mean average depth of seismic section.
The ratings for most races will follow a normal distribution, hence our usage of the mean average.
Figure 1 shows the plotted change over the time period for mean average scores for GHQ.
The mean average commercial general liability cost of risk increased by 9 percent from \$37 per insured unit in 2010 to \$40 in 2011.
Continued growth in the low-cost segment will mean average selling prices (ASPs) will be generally lower than in the past, but this will be balanced somewhat by further expansion in the converged mobile device or smartphone segment, especially in mature markets," added Ryan Reith, senior research analyst for IDC's Worldwide Mobile Phone Tracker.
It could mean average pay outs of nearly pounds 3,000 for staff.
The new rate, approved yesterday, will mean average band D bills of
For comparative purposes, the mean average of these four examination scores was utilized to create the independent variable, enabling the comparison of the highest performing students in the course (those who scored at the 75th percentile or above) with their relatively lowering scoring peers.
cumulative, mean average, and mean peak exposure levels.
org) study showed sports news getting a mean average of 21.

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