Can you help me with this?

A researcher randomly sampled 30 graduates of an MBA program and recorded data concerning their starting salaries. Of primary interest to the researcher was the effect of gender on starting salaries. The result of the pooled-variance t-test of the mean salaries of the females (Population 1) and males (Population 2) in the sample is given below.

What is the 99% confidence interval estimate for the difference between two means?

Hypothesized Difference	0
Level of Significance	0.05
Population 1 Sample
Sample Size	18
Sample Mean	99210
Sample Standard Deviation	13577
Population 2 Sample
Sample Size	12
Sample Mean	105820
Sample Standard Deviation	11741
Difference in Sample Means	-6610
tTest Statistic	-1.37631
tTest Statistic
Lower Critical Value	-1.70113
p-Value	0.089816