Z-Score Formula

Z score formula
By
Courtney Taylor
Courtney Taylor
Professor of Mathematics
  • Ph.D., Mathematics, Purdue University
  • M.S., Mathematics, Purdue University
  • B.A., Mathematics, Physics, and Chemistry, Anderson University
Courtney K. Taylor, Ph.D., is a professor of mathematics at Anderson University and the author of "An Introduction to Abstract Algebra."
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Updated on January 06, 2020

To convert any bell curve into a standard bell curve, we use the above formula. Let x be any number on our bell curve with mean, denoted by mu, and standard deviation denoted by sigma. The formula produces a z-score on the standard bell curve.

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Taylor, Courtney. "Z-Score Formula." ThoughtCo, Aug. 26, 2020, thoughtco.com/z-score-formula-3126281. Taylor, Courtney. (2020, August 26). Z-Score Formula. Retrieved from https://www.thoughtco.com/z-score-formula-3126281 Taylor, Courtney. "Z-Score Formula." ThoughtCo. https://www.thoughtco.com/z-score-formula-3126281 (accessed December 10, 2022).