10.60 The Tennessee Board of Architectural and Engineering Examiners requested the Tennessee Society of Professional Engineers and the Consulting Engineers of Tennessee to look into various issues related to the professional registration of engineers. In response to this request, a Blue Ribbon Committee was formed, which sent a survey to engineering deans during 1999 and 2000. The results were reported in a manuscript by Madhavan and Malasri (Journal of Professional Issues in Engineering Education and Practice, 2003). They reported the following:

a Of 789 engineering faculty in Texas, 486 were registered, while of 96 faculty in Arkansas, 62 were registered. Is there a significant difference in the percentage of registered engineering faculty in Texas and Arkansas? Use a = 0.05.

Of 162 engineering faculty in Nebraska, 65 were registered, while of 189 faculty in Colorado, 21 were registered. Is there a significant difference in the percentage of registered engineering faculty in Nebraska and Colorado? Use .