Extra Final Review Questions (Questions Only)

# Extra Final Review Questions (Questions Only) - University...

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1 University of Alberta Department of Mathematical and Statistical Sciences STAT 252 EXTRA FINAL REVIEW QUESTIONS Instructor: Greg Wagner The questions below are extra parts of questions that are on the Practice Final Exam. These are to help you get a ready for a greater variety of possible questions. So for each of the questions below, look at the information and incomplete computer output given in the relevant question in the Practice Final Exam in order to answer them. Question 3 (see Question 3 in Practice Final Exam for information and computer output) (e) (1 mark): What percentage of the variation in cholesterol level in men is explained by the regression of cholesterol level against fat consumption? (f) (1 mark): Find the standard error of the model. (g) (3 marks): Calculate a 99% confidence interval for the slope of the regression line. Use this confidence interval to write a conclusion about whether the slope the regression line is significant.

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