Intro Stats + MyStatLab Access Code
Intro Stats + MyStatLab Access Code
4th Edition
ISBN: 9780321891242
Author: De Veaux, Richard
Publisher: Pearson College Div
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Chapter 23, Problem 59E

Education and mortality The following software output is based on the mortality rate (deaths per 100,000 people) and the education level (average number of years in school) for 58 U.S. cities.

Chapter 23, Problem 59E, Education and mortality The following software output is based on the mortality rate (deaths per , example  1

Dependent variable is Mortality

R-squared = 41.0%

s = 47.92 with 58 – 2 = 56 degrees of freedom

Chapter 23, Problem 59E, Education and mortality The following software output is based on the mortality rate (deaths per , example  2

Chapter 23, Problem 59E, Education and mortality The following software output is based on the mortality rate (deaths per , example  3

Chapter 23, Problem 59E, Education and mortality The following software output is based on the mortality rate (deaths per , example  4

Chapter 23, Problem 59E, Education and mortality The following software output is based on the mortality rate (deaths per , example  5

  1. a) Comment on the assumptions for inference.
  2. 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.
  3. c) Can we conclude that getting more education is likely (on average) to prolong your life? Why or why not?
  4. d) Find a 95% confidence interval for the slope of the true relationship.
  5. e) Explain what your interval means.
  6. 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.
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Chapter 23 Solutions

Intro Stats + MyStatLab Access Code

Ch. 23 - Prob. 8ECh. 23 - Prob. 9ECh. 23 - Prob. 10ECh. 23 - Prob. 11ECh. 23 - 12. Shoot to score, double overtime One of the...Ch. 23 - Prob. 13ECh. 23 - Prob. 14ECh. 23 - Prob. 15ECh. 23 - Prob. 16ECh. 23 - Prob. 17ECh. 23 - Prob. 18ECh. 23 - Prob. 19ECh. 23 - Prob. 20ECh. 23 - Prob. 21ECh. 23 - Prob. 22ECh. 23 - Prob. 23ECh. 23 - Prob. 24ECh. 23 - Prob. 25ECh. 23 - Prob. 26ECh. 23 - Prob. 27ECh. 23 - Prob. 28ECh. 23 - Prob. 29ECh. 23 - Prob. 30ECh. 23 - Prob. 31ECh. 23 - Prob. 32ECh. 23 - Prob. 33ECh. 23 - Prob. 34ECh. 23 - Fuel economy A consumer organization has reported...Ch. 23 - 36. SAT scores How strong was the association...Ch. 23 - Prob. 37ECh. 23 - 38. SATs, part II Consider the high school SAT...Ch. 23 - 39. Fuel economy, part III Consider again the data...Ch. 23 - 40. SATs, again Consider the high school SAT...Ch. 23 - Cereals A healthy cereal should be low in both...Ch. 23 - Brain size Does your IQ depend on the size of your...Ch. 23 - Prob. 43ECh. 23 - Prob. 44ECh. 23 - Prob. 45ECh. 23 - Prob. 46ECh. 23 - Ozone and population The Environmental Protection...Ch. 23 - Prob. 48ECh. 23 - Prob. 49ECh. 23 - 50. More sales and profits Consider again the...Ch. 23 - Prob. 51ECh. 23 - Crawling Researchers at the University of Denver...Ch. 23 - 53. Body fat Do the data shown in the table below...Ch. 23 - Prob. 54ECh. 23 - Midterms The data set below shows midterm and...Ch. 23 - Prob. 56ECh. 23 - Prob. 57ECh. 23 - All the efficiency money can buy 2011 A sample of...Ch. 23 - Education and mortality The following software...Ch. 23 - Property assessments The following software output...Ch. 23 - Prob. 61ECh. 23 - Prob. 62E
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