The point where the row & column meets for the corresponding z-score value is the critical value of Z or the rejection area of one or two tailed z-distribution. Refer the column & row values for z-score. Z-scores generally ranges from -3.99 to 0 on the left side and 0 to 3.99 on the right side of the mean. Supply the positive & negative values of the z-score to find the rejection region at both right and left side of the mean of normal distribution. Supply the positive or negative value of z-score to find the rejection region right or left to the mean of normal distribution respectively. Users may use this one or two tailed z-table calculator or refer the rows & columns value of standard normal distribution table to find the critical region of z-distribution.įor one one (left or right) tailed Z-test : Standard Normal Distribution Table for Z = -3.59 to 0.00 Standard Normal Distribution Table for Z = 0.00 to 3.59 It means that the negative z-score lies on left side represents the left tail & the positive score lies on right side represents right tail of the distribution. The negative & positive z-scores lies on the left & right side of the mean of standard normal distribution respectively.
#Standard normal table z pdf
This Z-table to find the critical value of Z is also available in pdf format too, users may download this table in pdf format to refer it later offline.
For locating the Z e (critical value of Z) in the table quickly, users can supply the values of Z-score in the above interface. The estimated value of Z or Z-statistic (Z 0) is compared to critical value of Z from standard normal-distribution table to check if the null hypothesis in the Z-test is accepted or rejected at a specified level of significance (α).
#Standard normal table z how to
Standard normal-distribution table & how to use instructions to find the critical value of Z at a stated level of significance (α) for the test of hypothesis in statistics & probability surveys or experiments to large samples of normally distributed data. Find Critical Value of t for One or Two Tailed Z-Test
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