Question: A random sample of 100 persons was selected from each of four regions in the United States. These people were asked whether or not they support a certain farm subsidy program. The results of the survey are summarized in the following table.
![864_6.png](https://secure.tutorsglobe.com/CMSImages/864_6.png)
Using the 1% significance level, test the null hypothesis that the percentages of people with different opinions are similar for all four regions.