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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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