distribution curve
Data spread visualization
A distribution curve is a graph showing how values in a dataset are spread across a range.
The horizontal axis represents possible values, the vertical axis their frequency or probability.
The shape reveals patterns—a bell curve indicates values clustering around a central point, while skewed curves show data bunched toward one end.
The test scores followed a normal distribution curve.
Conforming to standard
- histogramFrequency distribution graph
- frequencyRate of recurrence
- meanAverage, or spiteful
- medianCentral sorted value
mode · standard deviation · variance · skewness · percentile · quartile · z-score · cumulative
Extreme data points
- spreadTo distribute widely
- dispersionScattering across space
- rangeExtent of variation
- interquartile rangeMiddle fifty percent span
boxplot · scatterplot · normalization · regression · correlation · residuals · sampling · population
Invariance under transformation
- skewTwist from straight
- tailRear animal appendage
- peakUtmost height attained
- slopeAngled terrain or steepness
inflection point · flatness · steepness · concentration · dispersion · truncated · bounded · unbounded
Function quantifying probabilistic outcomes
- likelihoodChance something will occur
- outcomeFinal result of events
- expected valueProbability-weighted outcome average
- stochasticRandomly determined, statistically describable
binomial · exponential · uniform · chi-square · law of large numbers · confidence interval · p-value · significance
Statistical population characteristics
- income inequalityDisparity in earnings distribution
- quality controlMaintaining production standards
- actuarialOf risk calculation
- risk assessmentEvaluating likelihood of harm
normal
Conforming to standard
median · mode · standard deviation · variance · skewness · percentile · quartile · z-score · cumulative · bimodal
outliers
Extreme data points
- spreadTo distribute widely
- dispersionScattering across space
- rangeExtent of variation
interquartile range · boxplot · scatterplot · normalization · regression · correlation · residuals · sampling · population · hypothesis testing
symmetry
Invariance under transformation
slope · inflection point · flatness · steepness · concentration · dispersion · truncated · bounded · unbounded · shifted
random variable
Function quantifying probabilistic outcomes
- likelihoodChance something will occur
- outcomeFinal result of events
- expected valueProbability-weighted outcome average
stochastic · binomial · exponential · uniform · chi-square · law of large numbers · confidence interval · p-value · significance
demographics
Statistical population characteristics
- income inequalityDisparity in earnings distribution
- quality controlMaintaining production standards
- actuarialOf risk calculation
- distributionsnormal, uniform, binomial, exponential, bell-shaped
- particle sizingd10, sieving, sizing, grain size, size range
- chartspie chart, line graph, line chart, bar graph, scatter plot
- statisticsmean, median, mode, variance, standard deviation
- graphsgraph, bar graph, line graph, pie chart, scatter plot
distribution curvedata table
Organized grid of values
dot plot · raw numbers · tabular data · scatter plot · histogram
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