A scientist samples 80 birds and records species. There are 5 species being studied.
A test that all five species are equally likely uses df = ?
- A
5
- B
3
- C
9
- Dcheck_circle
4
Explanation
For GOF with 5 categories, df = k - 1 = 4.
Setting Up a Chi-Square Goodness of Fit Test
AP Statistics· difficulty 2/5
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