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The following data represent the level of happiness and level of health for a random sample of individuals from the General Social Survey . A

The following data represent the level of happiness and level of health for a random sample of individuals from the General Social Survey. A researcher wants to determine whether health and happiness level are related. Test the researcher's claim at the = 0.05 level of significance.

Health
Excellent Good Fair Poor
Happiness Very Happy 271 261 82 20
Pretty Happy 247 567 231 53
Not Too Happy 33 103 92 36

What are the degrees of freedom? d.f. =

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