T.DIST.2T - The function returns the two-tailed Student distribution in Excel

The following article introduces you to the T.DIST.2T function - one of the functions in the statistical group is very popular in Excel.

T.DIST.2T - The function returns the two-tailed Student distribution in Excel Picture 1

Description: The function returns the two- tailed Student's t-distribution . Functions used in testing the hypothesis of small numbers of data sets. Support functions from Excel 2010 onwards.

Syntax: T.DIST.2T (x, deg_freedom)

Inside:

- x: Value used to evaluate the distribution, is a required parameter.

- deg_freedom: Number of degrees of freedom of the distribution, is a required parameter.

Attention:

- Any argument that is not a number -> the function returns the #VALUE! Error value

- If deg_freedom <1 -> the function returns the #NUM! Error value

- The minimum value of deg_freedom must be equal to 1.

- If x <0 -> the function returns the #NUM! Error value

For example:

Calculate the Student 2 t- tailed distribution as described in the following data table:

T.DIST.2T - The function returns the two-tailed Student distribution in Excel Picture 2

- In the cell to calculate, enter the formula : = T.DIST.2T (D6, D7)

T.DIST.2T - The function returns the two-tailed Student distribution in Excel Picture 3

- Press Enter -> 2 t Student distribution is:

T.DIST.2T - The function returns the two-tailed Student distribution in Excel Picture 4

- If the number of degrees of freedom is less than 1 -> the function returns the #NUM! Error value

T.DIST.2T - The function returns the two-tailed Student distribution in Excel Picture 5

- Where the value for distribution distribution is less than 0 -> the function returns the #NUM! Error value

T.DIST.2T - The function returns the two-tailed Student distribution in Excel Picture 6

Above are instructions and some specific examples when using T.DIST.2T function in Excel.

Good luck!