A chisquare test for goodness of fit has df 2 How many cate
A chi-square test for goodness of fit has df = 2. How many categories were used to classify the individuals in the sample?
2
3
4
Cannot be determined without additional information
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| 3 | ||
| 4 | ||
| Cannot be determined without additional information | 
Solution
A chi-square test for goodness of fit has df = 2. How many categories were used to classify the individuals in the sample?
2
3
4
Cannot be determined without additional information
Answer =3
DF = Number categories -1 = 3-1 =2
| 2 | ||
| 3 | ||
| 4 | ||
| Cannot be determined without additional information | 

