Posted by **Ginna** on Tuesday, August 11, 2009 at 12:09pm.

1)Please Help In testing whether the means of two normal populations are equal, summary statistics computed for two independent samples are as follows: Assume that the population variances are equal. Then, the Pooled Variance is equal to: A) 0.1017

B) 1.2713

C) 0.3189

D) 1.1250

2-. Two samples of sizes 25 and 35 are independently drawn from two normal populations, where the unknown population variances are assumed to be equal. The number of degrees of freedom of the equal-variances t test statistic is: A) 60

B) 59

C) 35

D) 58

## Answer This Question

## Related Questions

- statistic - . For each of the following, assume that the two samples are ...
- Statistics - testing for the differences between means of 2 independent ...
- statistics - Suppose we take a random sample of size n from a normal population ...
- statistics - if we are testing for the difference between two populations, it is...
- Stats - If we are testing for the difference between the means of 2 independent ...
- Statistics - You are interested in estimating the mean of a population. you plan...
- statistics - Select the TWO options that are TRUE statements about two-sample t-...
- statistics - Select the TWO options that are TRUE statements about two-sample t-...
- statistic - Two samples each of size 25 are taken from independent populations ...
- Statistics - To do inferential procedures comparing two proportions, we need ...

More Related Questions