WordReference Random House Unabridged Dictionary of American English © 2026
nor′mal curve′, [Statistics.]
  1. Statisticsa bell-shaped curve showing a particular distribution of probability over the values of a random variable. Also called Gaussian curve, probability curve. Compare illus. under bell-shaped curve. 
  • 1890–95

Collins Concise English Dictionary © HarperCollins Publishers::
normal curve
  1. a symmetrical bell-shaped curve representing the probability density function of a normal distribution. The area of a vertical section of the curve represents the probability that the random variable lies between the values which delimit the section
'normal curve' also found in these entries (note: many are not synonyms or translations):
Gaussian curve - bell-shaped curve - normal distribution - normal equivalent deviate - probability curve

Forum discussions with the word(s) "normal curve" in the title:


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