CASTI-89 TITANIUM (STATS/LIST EDITOR APP) · CALC89
LinRegtIntervals
Computes confidence intervals for a linear regression, for the slope or for a predicted response. The results are stored in stat variables such as stat.CLower.
Syntax
LinRegtIntervals X,Y[,F[,0[,CLev]]]
- Group
- Statistics
- Arguments
- Takes the x list, the y list and optional frequency, interval type and confidence level.
- Availability
- Included
- Origin
- On the TI-89 Titanium this command comes with the preinstalled Stats/List Editor app
Example
| Input | Result |
|---|---|
| LinRegtIntervals {1,2,3,4,5},{2,4,5,9,10},1,0,0.95:stat.CLower | 1.29910190987 |
Typing LinRegtIntervals {1,2,3,4,5},{2,4,5,9,10},1,0,0.95:stat.CLower on the home screen and pressing ENTER returns 1.29910190987.
Related commands
- LinRegtTestPerforms a t test on the slope of a linear regression and the correlation of the data.
- 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.