In this Article we will learn a very useful financial term know as T-Value.

T-Value is a statistical calculation using the mean, standard deviation and degrees of freedom and it will help in financial projections and forecasting.

With this information, a business owner can calculate the statistical low and high for earnings in a specific month and with a degree of confidence that the future earnings will fall within that range, which helps with better business planning. Projections can suggest that the business can expect to gross $150,000 in May and the T-Value might tell them that number has a 90-percent rate of confidence. If the confidence rate is less than 50-percent, the business can plan for the potential of a lower return and work to increase the T-Value for future months and years.

Let us learn you how to calculate the T value using a simple formula in Excel:

The Formula **=T.DIST(x,deg_freedom,tails)**

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The T.DIST function uses the following arguments:

- X (required argument) – This is the numeric value at which we wish to evaluate the T Distribution.

- Deg_freedom (required argument) – An integer that indicates the number of degrees of freedom.

- Tails (required argument) – This specifies the number of distribution tails that would be returned. If tails =1, T.DIST returns the one-tailed distribution. If tails = 2, T.DIST returns the two-tailed distribution.

Lets create the data for the calculation:

T dist function

- x: 2

- degrees of freedom: 10

- Tails: 1

The formula is applied as below:

**=T.DIST(B3,B4,B5)**

Result is: