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![]() Fall Semester 2003 |
Chapter 8: Regression and Correlation.
INTERCEPT
and SLOPE
? How? Give an example.
BCancer.xls
contains data from a 1965 study
analyzing the relationship between mean annual temperature and the mortality
rate for a certain type of breast cancer in women. The subjects came from 16
different regiones in Great Britain, Norway, and Sweden. You've been asked to
determine whether there is evidence of a linear relationship between the mean
annual temperature in the region and the mortality index. Is the mortality
index different for women who live in regions with different temperatures?
Explain your answer.
Calc.xls
workbook. This file contains data collected
to see how performance in a freshman calculus class is related to various predictors. Analyze
the workbook and answer the following question: can you say that taking calculus in high school
causes a better grade in college? Is there any relationship between taking calculus in high school
and getting good grades in college? What is it? Explain your answers.
A113