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A z-value is usually the result of a translation from a normally-distributed variable. Through the translation into a standard normal variable (with a mean of zero and a variance/standard deviation of one), the tables available in all statistical texts and all over the interweb can be used to calculate probabilities using the so-called "z-tables", or the fractiles of the standard normal distribution.
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What is numeric x in statistics?
In statistics, letter such as; a,..x..,z, is a variable used to represent an unknown value.
What is the Z score formula for statistics?
z=x-mean / sd
What is z-chart in statistics?
A z-chart in statistics is a chart that contains the values that represent the areas under the standard normal curve for the values between 0 and the relative Z-score.
What is Z statistics?
z = (x - mean of x)/ std dev of x I thought this website was pretty good: http://www.jrigol.com/Statistics/TandZStatistics.htm
How do you find the critical value in statistics?
To find the critical value in statistics, it requires a hypothesis testing. Using the critical value approach can also be helpful in this matter.
