frequency distribution

Values and counts

A frequency distribution is a summary showing how often each value or range of values occurs in a dataset.

In statistics, it organizes raw data into categories with counts or percentages: The frequency distribution showed most test scores clustered between 70 and 85.

Frequency distributions can be displayed as tables or visualized as histograms and bar charts.

statistics

histogram

Frequency distribution graph

meanAverage, or spiteful
medianCentral sorted value
modeWay or method

variance · standard deviation · tally · bin · midpoint · range · sample size · population · discrete · continuous

normal

bell curve

Normal distribution's shape

standard deviationSpread around the mean
meanAverage, or spiteful
z-scoreStandardized deviation measure

symmetry · inflection point · percentile · skewness · normal curve · standardization

visualization

histogram

Frequency distribution graph

bar chartRectangular data visualization
ogivePointed arch form
boxplotStatistical distribution chart

dot plot · pie chart · axis · scale · legend · area chart

probability

random variable

Function quantifying probabilistic outcomes

expected valueProbability-weighted outcome average
outcomeFinal result of events
eventA notable occurrence

binomial · uniform · exponential · likelihood · theoretical · empirical · stochastic · trial · independent · dependent

Opposites

data aggregation vs raw data

frequency distributionraw data

Unanalyzed collected information

raw scores · microdata · data points · observations

statistical summary type

frequency distributioncorrelation coefficient

Measure of variable association

mean

statistical representation type

frequency distributionscatter plot

Graph showing paired data points

time series

Family

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Familiarity: Top 500,000
Profile: Used worldwide · Timeless · Abstract · Rated G