In this blog post, we will show you how to work with Z calculator statistics.

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Description: This calculator determines the area under the standard normal curve given z-Score values. The area represents probability and percentile values. The calculator allows area look up with out the use of tables or charts. In addition it

The z-score can be calculated by subtracting the population mean from the raw score, or data point in question (a test score, height, age, etc.), then dividing the difference by the population standard deviation: z = x - μ σ where x is the raw score, μ is the population mean, and σ is the population standard deviation.

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