T.DIST function

The T.DIST function returns the right tailed Student distribution for a value x. Along with T.DIST.2T, this function replaces TDIST and is equivalent to calling TDIST with the tails argument set to 1.

Parts of a T.DIST function

T.DIST(x, degrees_freedom, cumulative)

Part Description
x Required. The x value to evaluate the distribution at.
degrees_freedom Required. The degrees of freedom.
cumulative Required. True/false value field. If true, returns the cumulative probability for x. If false, returns the probability density function for x.

Sample formulas

  • Example 1: A1 has T.DIST(1.96, 60, false)
  • Example 2: A1 has T.DIST(-1.98, 2, false)
  • Example 3: A1 has T.DIST(1.96, 60, true)
  • Example 4: A1 has T.DIST(-1.98, 2, true)

Notes

If deg_freedom is less than 1, returns as #NUM error. 

Examples

Result for A1=T.DIST(1.96, 60, false)

  A B
1 0.059847906211419  
2    

Result for A1=T.DIST(-1.98, 2, false)

  A B
1 0.06941821226899947  
2    

Result for A1=T.DIST(1.96, 60, true)

  A B
1 0.972677535131736  
2    

Result for A1=T.DIST(-1.98, 2, true)

  A B
1 0.09312625192178947  
2    

Related functions

  • TDIST: Calculates the probability for Student's t-distribution with a given input (x).
  • T.DIST.2T: The T.DIST.2T function returns the two tailed Student distribution for a value x.
  • T.DIST.RT: Returns the right tailed Student distribution for a value x.
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