Two independent samples have n1 = 12, n2 = 20.
Which is the conservative degrees of freedom?
- A
32
- Bcheck_circle
11
- C
30
- D
19
Explanation
The conservative df is min(n1 - 1, n2 - 1) = min(11, 19) = 11.
Confidence Intervals for the Difference of Two Means
AP Statistics· difficulty 1/5
Want 10 more like this — adaptive to your weak spots?