The following software output is based on the mortality rate (deaths per 100,000 people) and the education
Question:
Dependent variable is Mortality R-squared = 41.0%
s = 47.92 with 58 - 2 = 56 degrees of freedom
a) Comment on the assumptions for inference.
b) Is there evidence of a strong association between the level of Education in a city and the Mortality rate? Test an appropriate hypothesis and state your conclusion.
c) Can we conclude that getting more education is likely (on average) to prolong your life? Why or why not?
d) Find a 95% confidence interval for the slope of the true relationship.
e) Explain what your interval means.
f) Find a 95% confidence interval for the average Mortality rate in cities where the adult population completed an average of 12 years of school.
Step by Step Answer:
Stats Data and Models
ISBN: 978-0321986498
4th edition
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock