Z Score Calculator

A Z-score is a statistical measurement that compares a score or observation to the mean of a group of scores. It is calculated by subtracting the mean from the score and dividing the result by the standard deviation. The Z-score is used to determine how far away from the mean a particular score is in terms of standard deviations. A positive Z-score indicates that the score is above the mean, while a negative Z-score indicates that the score is below the mean.

Z Score Calculator is an online tool that helps you calculate Z-scores quickly and easily. It is used in many fields, including finance, medicine, and education. The calculator can be used to calculate Z-scores for any data set with a normal distribution.

To use the calculator, you need to enter the raw score, population mean, and population standard deviation. The calculator will then calculate the Z-score for you. You can also use the calculator to find the raw score given the Z-score, population mean, and population standard deviation.

The formula for calculating Z-scores is:

Z = (X - μ) / σ

Where:
- X is the raw score
- μ is the population mean
- σ is the population standard deviation

There are many uses for Z-scores. For example, they can be used to compare scores from different tests or assessments. They can also be used to identify outliers in a data set.

If you want to learn more about Z-scores, you can check out this video.

Here are some websites that discuss Z Score Calculator:
- https://www.calculator.net/z-score-calculator.html
- https://www.khanacademy.org/math/statistics-probability/modeling-distributions-of-data/z-scores/a/z-scores-review
- https://www.scribbr.com/statistics/standard-normal-distribution/
- https://www.statisticshowto.com/probability-and-statistics/z-score/
- https://statisticsbyjim.com/basics/z-score/

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