Changes

*This function gives the one_tailed probability of the chi-squared distribution.  

*This function gives the one_tailed probability of the chi-squared distribution.  

*It is denoted by  <math>\chi^2</math> distribution.Normally categorical data's may displayed in tables.  

*It is denoted by  <math>\chi^2</math> distribution.Normally categorical data's may displayed in tables.  

*The <math>\chi^2</math> static used to compare the observed value in each table to the value  

*The <math>\chi^2</math> static used to compare the observed value in each table to the value which would be the expected  under the assumption.  

*which would be the expected  under the assumption. The conditions of <math>\chi^2</math> test is  

*The conditions of <math>\chi^2</math> test is  

#The table should be 2x2 or more than 2x2

**The table should be 2x2 or more than 2x2

#Each observations should not be dependent

**Each observations should not be dependent

#All expected values should be 10 or greater. 

**All expected values should be 10 or greater. 

The test statistic is:  

**The test statistic is:  

<math>\chi^2=\sum\frac{(Oi-Ei)^2}{Ei}</math>

<math>\chi^2=\sum\frac{(Oi-Ei)^2}{Ei}</math>

The degrees of freedom are: (r–1)(c–1)

The degrees of freedom are: (r–1)(c–1)