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\nZ Score Calculator
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Distribution Comparison
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Understanding Z Score
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The Z score (or standard score) indicates how many standard deviations a data point is from the mean. A positive Z score means the data point is above the mean, while a negative Z score means it is below the mean.
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Formula: Z = (x – μ) / σ
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| Term | Description |
|---|---|
| x | The individual data point |
| μ | The mean of the population |
| σ | The standard deviation of the population |
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