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EXCEL T.DIST.2T FUNCTION
Excel T.DIST.2T Function Introduction
The Excel T.DIST.2T method calculates the 2 different Student’s T – statistic, a continous probability commonly used for testing hypotheses on small sample data sets.
Description of Excel T.DIST.2T Function
Syntax :
=T.DIST.2T( x, degrees_freedom )
Parameters :
- X – The value at which the two-tailed Student’s T-Distribution should be evaluated.
- Degrees freedom – The number of degrees of freedom (must be at least one).
Step By Step Guide of T.DIST.2T Function
Example :
The right graphic depicts the two-tailed Student’s T Distribution with ten degrees of freedom. If you wish to determine the value of this function at x = 1, use the Excel T.Dist.2t function, as shown below:
T.DIST.2T =T.DIST.2T =T.DIST.2T ( 1, 10 ) This yields a result of 0.340893132, or 34.09 percent. If you wish to compute the function’s value at x = -1, you must use the relationship T.DIST.2T(-x, df) = T ( x, df ). As a result, this formula for calculating the functions when x = -1 is simply: =T.DIST.2T(1, 10) which yields 0.340893132, or 34.09 percent.
Key Points
- #NUM! – Occurs if either x is specified with a value of 0 or degrees freedom is supplied with a value of 1.
#VALUE! – Occurs if one or both of the supplied arguments is not a number.
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