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 …

A z-score measures the distance between a data point and the mean using standard deviations. Z-scores can be positive or negative. The sign tells you whether the observation is above or …

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 …

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 …

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 …

A Z-score (also referred to as a standard score) indicates the number of standard deviations that an observed value is from the mean in a standard normal distribution.

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 …

Nov 4, 2025 · A z score, also known as a standard score, is a statistical measure that shows how many standard deviations a data point is from the mean of a dataset. It helps you understand …

To convert a data value, subtract the mean from the value, and then divide by the standard deviation. The result is called a z-score or “standardized score.” In theory, you use the …

Z-scores are also known as standardized scores because they are scores that have been given a common standard. This standard is a mean of zero and a standard deviation of 1. Contrary to …