Share
Explore BrainMass

Confidence Interval and Mean Difference

The director of a university's development center is interested in comparing the starting annual salaries of male and female students who recently graduated form the university and commenced full-time employment. The director has formed pairs of male and female graduates with the same major and similar grade point averages. Specifically, she has collected a random sample of 50 such pairs and has recorded the starting annual salary of each person. These data are provided below,

PROBLEM:

Construct a 99% confidence interval for the mean difference between similar male and female graduates of this university. Interpret your result.

Solution Preview

Problem 9.23 with Data is attached in excel spread sheet format. The facts and problem have been set out below. I need help in setting up and solving this problem.

FACTS:

The director of a university's development center is interested in comparing the starting annual salaries of male and female students who recently graduated from the university and commenced full-time employment. The director has formed pairs of male and female graduates with the same ...

Solution Summary

The confidence intervals and mean difference for male and female graduates of a university is found. The solution uses 99% confidence intervals.

$2.19