A regression output reports residual df = 17.
What is the sample size n?
- A
18
- B
20
- Ccheck_circle
19
- D
17
Explanation
df = n - 2, so n = df + 2 = 17 + 2 = 19.
Carrying Out a Test for the Slope of a Regression Model
AP Statistics· difficulty 2/5
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