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Values above the mean have positive z-scores, while values below the mean have negative z-scores. 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-score calculator computes a standardized z-score for any raw data point x. Enter population mean and standard deviation for a given normal distribution.

Use this calculator to compute the z-score of a normal distribution. Raw Score, x. Population Mean, μ. Standard Deviation, σ ...

Using the z statistic formula above we can easily compute that a raw score from a standard normal distribution is equivalent to the Z score since z = (x - μ) / σ = x for μ = 0 and σ = 1. In another example, a raw score of 1600 from a distribution with mean 1000 and variance 90,000 is given. How do we find the Z score?

Normal distribution calculator finds cumulative normal probabilities and z-scores. Fast, easy, accurate. An online statistical table.

Cumulative probabilities for the standard normal distribution. z, 0.00, 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09. -3, 0.0013, 0.0014, 0.0014 ...

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.

You can calculate a z-score for any raw data value on a normal distribution. When you calculate a z-score you are converting a raw data value to a standardized score on a standardized normal distribution. The z-score allows you to compare data from different samples because z-scores are in terms of standard deviations.

What Is A Standard Normal Distribution?

Online calculator to find area under standardized normal distribution curve. Step by step explanations are provided.

Free Standard Normal Distribution Calculator - find the probability of Z using standard normal distribution step-by-step

Use this Standard Normal Distribution Probability Calculator to compute probabilities for the Z-distribution. Specify the event you need to compute.

Standard Normal Distribution Calculator Find the probability of Z using standard normal distribution step-by-step Arithmetic Mean Geometric Mean Quadratic Mean Median Mode Order Minimum Maximum Probability Mid-Range Range Standard Deviation Variance Lower Quartile Upper Quartile Interquartile Range Midhinge Standard Normal DistributionNew

Area from a value (Use to compute p from Z) Value from an area (Use to compute Z for confidence intervals). Specify Parameters: ...

This calculator calculates the area under the curve for a standard normal distribution based on the z score value.

The calculator allows area look up with out the use of tables or charts. In addition it provide a graph of the curve with shaded and filled area. The z-score is the number of standard deviations from the mean. The standard normal distribution is a normal distribution with a standard deviation on 1 and a mean of 0. Instructions: Select area type.

This calculator will tell you the normal distribution Z-score associated with a given cumulative probability level.

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 provide a graph of the curve with shaded and filled area. The z-score is the number of standard deviations from the mean.

Standard Normal Distribution Z-Score Calculator. This calculator will tell you the normal distribution Z-score associated with a given cumulative probability level. Please enter the necessary parameter values, and then click 'Calculate'. Cumulative probability level: