frequency distribution

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1. the specific location or arrangement of continuing or successive objects or events in space or time.
2. the extent of a ramifying structure such as an artery or nerve and its branches.
3. the geographical range of an organism or disease.
frequency distribution in statistics, a mathematical function that describes the distribution of measurements on a scale for a specific population.
normal distribution a symmetrical distribution of scores with the majority concentrated around the mean; for example, that representing a large number of independent random events. It is in the shape of a bell-shaped curve. Called also gaussian distribution. See illustration.
 Normal distribution. The approximate percentage of the area (or frequency) lying under the curve between standard deviations is indicated. From Dorland's, 2000.
probability distribution a mathematical function that assigns to each measurable event in a sample group the probability that the event will occur.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

fre·quen·cy dis·tri·bu·tion

a statistical description of raw data in terms of the number or frequency of items characterized by each of a series or range of values of a continuous variable.
Farlex Partner Medical Dictionary © Farlex 2012

frequency distribution

A table or histogram showing the number of times each value of a particular variable occurs in a sample.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
Frequency distributionclick for a larger image
Fig. 166 Frequency distribution . A distribution based on 9 numbers.

frequency distribution

an arrangement of statistical data in order of the frequency of each size of the variable. For example, the numbers 2,3,5,3,4,2,1,3,4 would have the frequency distribution shown in Fig. 166. Data from a large sample often produces a NORMAL DISTRIBUTION CURVE.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
A consistency coefficient (e.g., [r.sub.xx']) for each state (e.g., New Mexico) can then be generated using equation (1) and the state's observed frequency table (e.g., Table 2).
In this study, the HLA haplotype frequency tables of the Caucasian population (2007) and the European-Caucasian population (2011) were used in this study to determine all potential high-resolution HLA genotypes.
Table 3.3: Frequency table of the respondents in terms of political powerlessness items.
For the present study, we created a new frequency table, shown in Appendix 1, by combining the results of all the studies.
The class then worked together to develop a frequency table. Another exam took quiz scores from three mutually exclusive groups and demonstrated an ANOVA.
A sample frequency table provides a quick and simple summary of data based on how often particular data appear.
Responses were categorically organized into frequency tables and percentage of occurrence was calculated for each component.
Our students enjoyed trying to solve a simple substitution cipher using frequency tables. In the English language, E is the letter that occurs most frequently.
The occurrence of different species or functional groups was recorded for each circle and frequency tables for each locality were prepared.
The revised list of Qumran sources, word frequency tables, and index were the care of K.
HLA haplotype frequency tables for different ethnic groups are available from a variety of sources.

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