Posted by **Student** on Tuesday, August 12, 2008 at 12:34pm.

If we are testing for the difference between the means of 2 independent populations presumes equal variances with samples of n1 = 20 and n2 = 20, the number of degrees of freedom is equal to

a) 39

b) 38

c) 19

d) 18.

- Stats -
**chris**, Wednesday, January 25, 2012 at 5:15pm
38 dof

## Answer this Question

## Related Questions

- statistics - 1)Please Help In testing whether the means of two normal ...
- bus stats - Given the following information about a hypothesis test of the ...
- business stats - Given the following information about a hypothesis test of the ...
- Statistics - Find the 99% confidence interval for the difference between two ...
- Statistics - Find the 99% confidence interval for the difference between two ...
- math - Find the 95% confidence interval for the difference between two means ...
- math check - Find the 95% confidence interval for the difference between two ...
- Statistics - testing for the differences between means of 2 independent ...
- statistics - Suppose we take a random sample of size n from a normal population ...
- statistic - . For each of the following, assume that the two samples are ...

More Related Questions