CASTI-89 TITANIUM (STATS/LIST EDITOR APP) · CALC89
invt(
Inverse Student t distribution: returns the value with a given area to its left, used for t critical values.
Syntax
invt(Area, df)
- Group
- Distributions
- Arguments
- Takes the area and the degrees of freedom.
- Availability
- Pro feature in Calc89
- Origin
- On the TI-89 Titanium this command comes with the preinstalled Stats/List Editor app
Example
| Input | Result |
|---|---|
| invt(0.975,10) | 2.22813885199 |
Typing invt(0.975,10) on the home screen and pressing ENTER returns 2.22813885199.
Related commands
- normCdf(Returns the probability that a normally distributed value lies between two bounds.
- normPdf(Returns the probability density of the normal distribution at a value.
- poissCdf(Returns the cumulative Poisson probability for a range of counts.
- poissPdf(Returns the Poisson probability of exactly a given count.
- tCdf(Returns the Student t distribution probability between two bounds.
- tPdf(Returns the probability density of the Student t distribution at a value.
- binomCdf(Returns a cumulative binomial probability, the chance of a number of successes within a range.
- binomPdf(Returns the binomial probability of exactly a given number of successes.