Z Score Table for Confidence Intervals

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Negative Z Table

These are z-values to the left of the mean.

Negative z table. Originally appeared on https://www.math.arizona.edu/~rsims/ma464/standardnormaltable.pdf

Positive Z Table

These are z-values to the right of the mean.

positive z score one-sided
Positive Z table. Originally appeared on https://www.math.arizona.edu/~rsims/ma464/standardnormaltable.pdf

Two-Sided Z-Score Table

These are z_Value to the left and the right of the mean.

Two-sided z table. Originally appeared on https://www.sjsu.edu/faculty/gerstman/StatPrimer/z-two-tails.pdf


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