# Chi-Square Concept

Chi-Square is a statistical tool but, it is used as parametric and non-parametric both ways. It is a statistic such as, used in different fields where we use it statistic like as,

1- Independent of two attributes.

2- Goodness of fit.

## a hypothesis in this test statistic

Both above testings are more important. It is an example of respondents. Basically, It is an analysis based on respondents.

Chi-Square test [?] were applied to test the independence of two attributes in the bi-variate contingency table. The interpretation on the table is given as next pages.
The null hypothesis is taken as,
Ho: The two attributes are independent.
H1: The two attributes are not independent.
The value of its statistics is given below.

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