STANDARD NORMAL DISTRIBUTION: Table Values Represent AREA to the LEFT of the Z score. t Distribution Critical Values −6 −4 −2 0 2 4 6 ... χ2 Distribution Critical Values χ(ν) 2 Z TABLE provides Z score tables and normal distribution tables to help you find the area under the bell curve for any z score or standard deviation. Learn how to use the Z score formula, how to read the Z tables, and how to compare values to the mean. Standard Normal Table Note: An entry in the table is the area under the curve to the left of z,

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