Homework SourseThe t distribution for developing a confidence interval for
The t- distribution for developing a confidence interval for a mean has _____ degrees of freedom.
| A.n - 2 | |
| B.n | |
| C.n + 1 | |
| D.n - 1 |
Solution
The t- distribution for developing a confidence interval for a mean has (n - 1) degrees of freedom
Option D is correct
