Q. The degrees of freedom for testing significance of difference between two means forsmall independent samples is (Solved)
1. n1 + n2
2. n1 + n2 -1
3. n1 + n2 – 2
4. none of these
- c. n1 + n2 – 2
1. n1 + n2
2. n1 + n2 -1
3. n1 + n2 – 2
4. none of these