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Z Score Calculator



Z Score:

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Table of Content


Introduction to Z score Calculator

Z score describes the dimensionless amount that is utilized to show the marked, fragmentary, number of standard deviations by which an occasion is over the mean worth being estimated. Values over the mean have positive z-scores, while values underneath the mean have negative z-scores.


In simple words, z-scores allow us to compare individual values or scores on a single distribution as long as we have mean and standard derivation where the mean=0 and standard derivation is +1 or -1 etc.

And here comes the z score generator which is made to easily calculate z score from the z tables and will tell you how many standard deviations are you away from the calculated mean value. This is an advanced online tool which will search the value from all the data. You only have to give three values which are experimental result, mean value and standard deviation.

Formula used in z-score table calculator

As per the definition of Z-Score, it can be calculated by subtracting the population mean from the raw score. You can also consider data point in question such as calculating test score, height, age etc. In this case, the dividing difference will be the population standard deviation. The same formula is utilized by our Z score calculator. The tool uses the same formula and calculates the answer from the values which are given the user.

Let us see how this z score online calculator utilize the z score formula

Z = X − μ/σ

Where x is the raw score, μ is the populace means, and σ is the populace standard deviation.

And the requirements are given in the functionality bar which is according to the formula.


How to find Z Score in z score converter?

It is very easy to find z score in z-score calculator. Such as for a distribution with a μ = 85 and σ = 5, find

What is the Z-score for X=85?

As per Z Score formula, the tool will act as;

Z = 85 – 85 / 5 = 0 / 5 = 0

What is the Z-Score for X = 90?

As per Z Score formula, the result from the z score probability calculator will be;

Z = 90 – 85 / 5 = 5 / 5 = 1

You can find Z-Score of any term through our z score generator.

For similar concepts to z score, we have arithmetic sequence equation calculator. You can use this calculator for practice & learning.


What is Standard Normal Distribution in z score calculator?

The standard normal distribution is an extraordinary sort of ordinary circulation for a nonstop arbitrary variable Z with a typical measurement.

In the standard normal distribution.

  • mean = median = mode
  • SD = 1 and mean = 0

In the standard normal distribution we also have the formula to convert any "raw score" to a z score. The most widely recognized Z score equation is for populace information beneath yet we have more

Z = X− μ/σ

And the tool uses the same standard normal distribution in its function.

How the Z Score Table works in Z-score calculator?

Z score table comprises of standardized values utilized to decide the probability that a given measurement is beneath, above, or between the standard ordinary distributions.

The z score table beneath is a right-tail z-table. The right tail z-score table is implied when a z-table is referenced. It is utilized to discover the zone between z = 0 and any positive worth. It reference the zone to one side hand side of the standard deviation bend.

And the whole z score table is used in our online tool. The z score data from the table is used by the system to calculate and give you the correct answer.

Z Score Table in z value calculator

The Z score table is also referred as Z score chart. The z score chart or z-score table basically shows the percentage of values.

z score table

What are the benefits of Z Score Calculator?

Like many other mathematical or statistical problems, calculating z-score by hands is quite a hassle and time taking the job. But like our many other online calculators, this Z score calculator is also a specimen of itself.

You cannot find a better z score calculator than this because of its usability and user interface. Our Z Score calculator uses z score equation & z score formula to find accurate results.

How to use Z Score calculator?

It is very easy to learn how to calculate z score using Z score calculator. You only need to perform the following steps to calculate z score using this .

  • Add "Experimental Result" in the First Field
  • Add "Mean Value" in the Second Field
  • Add "Standard Derivation Value" in the third Value
  • Click on the "Calculate" button.

Our z score calculator You will get you the desired results within a few seconds after clicking on the calculate button.

We also have other calculators on mathematics concepts. You can learn & practice different math concepts using our standard deviation calculator with steps.

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Shaun Murphy

Last updated: September 09, 2020

I'm graduated in biomedical and electrical engineering. Specialization in sports and medical topics but will gladly tackle everything you throw at him. He is a sailor, hiker, and motorcyclist in his free time.

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