The PACE project (pace.uhs.wisc.edu) at the University of Wisconsin in Madison deals with problems associated with high-risk
Question:
a. Estimate the difference between the proportions in 1999 and 2009, and interpret.
b. Find the standard error for this difference. Interpret it.
c. Construct and interpret a 95% confidence interval to estimate the true change, explaining how your interpretation reflects whether the interval contains 0.
d. State and check the assumptions for the confidence interval in part c to be valid.
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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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