In order to estimate the difference between the average mortgages in the South and the North of the United States, the following information was gathered. 
a.Compute the degrees of freedom for the t distribution.
b.Develop an interval estimate for the difference between the average of the mortgages in the South and North. Let Alpha = 0.03.
Definitions:
ICNP
The International Classification for Nursing Practice, a standardized vocabulary that allows nurses to describe and report their work across global healthcare environments.
E-Nursing Strategy
The use of digital information and communication technologies in the nursing profession to improve patient care and enhance nursing practices.
CNA
A Certified Nursing Assistant who provides basic patient care under direction of nursing staff.
Health Informatics
The intersection of information science, technology, and healthcare, focusing on the acquisition, storage, retrieval, and use of healthcare information to foster better patient care.
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