Student's T Probability Lower Tail
Figure 11
To calculate the area under the Student's T Distribution curve, first enter the degrees of freedom, followed by the
an
Example:
What is the lower tail probability associated with a Student’s T distribution with 8 degrees of freedom (df1) with a
Table | Example of Student’s t (lower tail) |
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| Display | Description |
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| g]IJ7gSy4 | .0499653 | Calculates the lower tail | |
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or, using Æ:
gÆJ7gSy]I | Returns the same results. |
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Figure 12 | Figure 13 |
Statistical Calculations 131