normal distribution

noun

Statistics.

1. a theoretical frequency distribution represented by a normal curve.

normal distribution

noun

1. Also called: Gaussian distribution. statistics a continuous distribution of a random variable with its mean, median, and mode equal, the probability density function of which is given by ( exp- [( x –μ)²/2σ²]/σ√(2π)) where μ is the mean and σ² the variance

normal distribution

1. A theoretical frequency distribution for a set of variable data, usually represented by a bell-shaped curve symmetrical about the mean.

Word History and Origins

Origin of normal distribution¹

First recorded in 1895–1900

Example Sentences

“Since there is an equal chance of a marble bouncing left or right at each peg, the marble stacks in the bins below will, on average, form the classic bell-shaped curve of normal distribution.”

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Since humans are bad at thinking probabilistically, we’ll be tempted to deem those folks flipping geniuses, rather than see their achievements as predictable points on a normal distribution of outcomes.

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Others assume they will be mostly through the pandemic and back to a more normal distribution of classes, fewer capacity restrictions and more events.

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Retailers, even those who have imposed toilet paper limits per customer, are clamoring for more product, to the point of short-circuiting the normal distribution routes to send trucks straight to factories to replenish supplies.

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The random motion of the balls typically leads to a normal distribution in the slots: most balls fall near the center, and fewer fall toward the sides, tapering off at the edges.

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