CASTI-89 TITANIUM (STATS/LIST EDITOR APP) · CALC89
LinRegtTest
Performs a t test on the slope of a linear regression and the correlation of the data. The results are stored in stat variables such as stat.t.
Syntax
LinRegtTest X,Y[,Freq[,Hypoth]]
- Group
- Statistics
- Arguments
- Takes the x list, the y list and optional frequency and hypothesis.
- Availability
- Included
- Origin
- On the TI-89 Titanium this command comes with the preinstalled Stats/List Editor app
Example
| Input | Result |
|---|---|
| LinRegtTest {1,2,3,4,5},{2,4,5,9,10}:stat.t | 8.34455384951 |
Typing LinRegtTest {1,2,3,4,5},{2,4,5,9,10}:stat.t on the home screen and pressing ENTER returns 8.34455384951.
Related commands
- LnRegFits a logarithmic model y=a+b·ln(x) to data with least squares regression.
- LogisticFits a logistic growth model y=c/(1+a·ℯ^(−b·x)) to data.
- LogisticDFits a logistic model with an added constant d to data.
- mean(Returns the arithmetic mean of the elements of a list.
- median(Returns the median of the elements of a list.
- MedMedFits a median median line to data, a line that is resistant to outliers.
- MultRegPerforms a multiple linear regression of one y list on several x lists.
- MultRegIntervalsComputes a confidence interval for a predicted value from a multiple linear regression.