CASCALC89 COMMAND · NOT ON THE TI-89
χ²2way
Performs a χ² test for association on a two way table of observed counts; it is the same command as chi22way. The results are stored in stat variables such as stat.PVal.
Syntax
χ²2way obsMatrix
- Group
- Statistics
- Arguments
- Takes the matrix of observed counts.
- Availability
- Included
- Origin
- TI-Nspire CAS style command; the TI-89 Titanium handheld does not have it
Example
| Input | Result |
|---|---|
| χ²2way [10,20;30,40]:stat.df | 1.0 |
Typing χ²2way [10,20;30,40]:stat.df on the home screen and pressing ENTER returns 1.0.
Related commands
- χ²GOFPerforms a χ² goodness of fit test that compares observed counts with expected counts; it is the same command as chi2GOF.
- ANOVAPerforms a one way analysis of variance to compare the means of several groups.
- ANOVA2wayPerforms a two way analysis of variance on several lists of data.
- chi22wayPerforms a χ² test for association on a two way table of observed counts.
- 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.