# Applications of Chi-Square Test

Chi square compares actual data with expected data. What would the expected data be? For example, if I know the percentage of brown M&Ms in a bag is 40% set by the company, but I open up a bag that is 50% brown M&Ms, I could run a chi square to see if there is a significant difference. This might lead the company to see that something is wrong with the packaging at the particular facility.

I am not sure what they are asking. How would I answer this?

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#### Solution Preview

They are asking you how you perform the chi square test. In your case, support there are 100 M&Ms in a bag, we know that the expected ...

#### Solution Summary

The solution gives detailed steps on performing chi square test. All formula and calculations are shown and explained.

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