Calculates the Student's T distribution cumulative distribution function for 2 tails.
What is the 2 tail probability associated with a Studentâ€™s T distribution with 10 degrees of freedom with a t-value of 1.812?
Value | Keystrokes | Display | Description |
---|---|---|---|
10 | df | 10.00 | Stores the df value. |
1.812 | x | 1.812 | Stores the x value. |
tdist | 0.8999 | Calculates the T distribution. |
A hypothesis test requires a critical t-value from the Student's T-Distribution with 25 degrees of freedom. Find the t-value for a 2 tail probability of 0.95
Value | Keystrokes | Display | Description |
---|---|---|---|
25 | df | 25.00 | Stores the df value. |
.95 | tdist | 0.95 | Stores the tdist. |
x | 2.060 | Calculates the x value. |
Reference:
Student's t-distribution - Wikipedia