CASTI-89 TITANIUM (STATS/LIST EDITOR APP) · CALC89
chi22way
Performs a χ² test for association on a two way table of observed counts. The results are stored in stat variables such as stat.PVal.
Syntax
chi22way obsMatrix
- Group
- Statistics
- Arguments
- Takes the matrix of observed counts.
- Availability
- Included
- Origin
- On the TI-89 Titanium this command comes with the preinstalled Stats/List Editor app
Example
| Input | Result |
|---|---|
| chi22way [10,20;30,40]:stat.df | 1.0 |
Typing chi22way [10,20;30,40]:stat.df on the home screen and pressing ENTER returns 1.0.
Related commands
- chi2GOFPerforms a χ² goodness of fit test that compares observed counts with expected counts.
- CubicRegFits a cubic polynomial y=a·x^3+b·x^2+c·x+d to data with least squares regression.
- ExpRegFits an exponential model y=a·b^x to data with least squares regression.
- FTest_2SampPerforms a two sample F test that compares the variances of two populations.
- LinRegBxFits a line y=a+b·x to data with least squares regression.
- LinRegMxFits a line y=m·x+b to data with least squares regression.
- LinRegtIntervalsComputes confidence intervals for a linear regression, for the slope or for a predicted response.
- LinRegtTestPerforms a t test on the slope of a linear regression and the correlation of the data.