Table Chi Square Test Example. Example the chi square statistic for the above example is computed as follows. Is there an association between gender and political preferences.
The chi square independence test helps us determine association or dependence. The chi square calculated value values are only significant when its value is the same or more than the critical value 9 48 i e critical value tabulated value must be higher than the 18 65 to accept the null hypothesis h 0. A scientist wants to know if education level and marital status are related for all people in some country.
Consider a standard package of milk chocolate m ms.
As with any topic in mathematics or statistics it can be helpful to work through an example in order to understand what is happening through an example of the chi square goodness of fit test. X 49 46 1 46 1 50 54 2 54 2 69 67 7 67 7. When one event has no effect on the occurrence of another event we say that the two events are independent. As we have seen the value of the chi test or p value is 0 00091723.