Answer the following questions and use Excel or this document toshow your work.
1. Consider the following results for two samples randomly takenfrom two normal populations with equal variances.
| Sample I | Sample II |
Sample Size | 28 | 35 |
Sample Mean | 48 | 44 |
Population Standard Deviation | 9 | 10 |
a. Develop a 95% confidence interval for the difference betweenthe two population means.
b. Is there conclusive evidence that one population has a largermean? Explain.
