A z-score (also called a standard score) gives you an idea of how far from the mean a data point is. More technically, it’s a measure of how many standard deviations below or above the …

What is a Z-Score? The z-score describes how many standard deviations a raw score is above the mean. Negative z-scores indicate a position below the mean. For example, a z-score of 2 …

Jul 12, 2025 · Z-Score in statistics is a measurement of how many standard deviations away a data point is from the mean of a distribution. A z-score of 0 indicates that the data point's score …

Jul 23, 2025 · What Is Z-Score? Z-score is a statistical measurement that describes a value's relationship to the mean of a group of values. Z-score is measured in terms of standard …

Oct 6, 2023 · A z-score is a statistical measure that describes the position of a raw score in terms of its distance from the mean, measured in standard deviation units. A positive z-score …

Standard scores are most commonly called z-scores; the two terms may be used interchangeably, as they are in this article. Other equivalent terms in use include z-value, z-statistic, normal …

Feb 12, 2025 · A Z-score, also known as a standard score, measures how many standard deviations a data point is from the mean of a dataset. It is used in statistics to standardize …

There are a few different formulas for calculating a Z-score. Given that the population mean and standard deviation are known, a Z-score can be calculated using the following formula. where …

Aug 7, 2021 · In statistics, a z-score tells us how many standard deviations away a given value lies from the mean. We use the following formula to calculate a z-score: z = (X – μ) / σ. where: …

Online z-score calculator: enter raw score, population mean and standard deviation to find how many standard deviations a value is from the mean. Instant and accurate results.