A soap manufacturer is experimenting with several formulas of soap powder. Three of the formulas were selected for further testing by a panel of homemakers. The ratings for the three formulas are as follows: 
What is the value of chi-square at the 5% level of significance?
Definitions:
Neurologically Active
Substances or processes that have an effect on the nervous system's function.
Traditional Practices
Customs and ways of doing things that have been passed down through generations within a culture or community.
Entrenched Beliefs
Deeply held convictions or opinions that are resistant to change, even in the face of contradictory evidence.
Society
A group of individuals involved in persistent social interaction, or a large social group sharing the same geographical or social territory, typically subject to the same political authority and dominant cultural expectations.
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