What is a z-score table and how do I use it?
An example of an AI chatbot conversation about z-score tables and their applications.
What is a z-score table and how do I use it?
A z-score table shows the probability of a standard normal variable. You can use it to find the area under the curve.
How do I find the z-score for a given value?
To find the z-score, subtract the mean from your value and then divide by the standard deviation.
Can you give me an example of calculating a z-score?
Sure! If your value is 85, the mean is 70, and the standard deviation is 10, the z-score is (85-70)/10 = 1.5.
What does a z-score of 1.5 indicate?
A z-score of 1.5 indicates that the value is 1.5 standard deviations above the mean.
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