Refer to Exercise 10.34 about measuring the lung function (called the forced vital capacity, or FVC, measured
Question:
a. By how much, on average, did the FVC improve after using the inhaler?
b. Find a 95% confidence interval for the mean improvement and interpret.
c. Suppose you wrongly analyzed the data as two independent samples. Find the confidence interval for the difference in the population means and show how the conclusions would change substantially.
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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9780321997838
4th Edition
Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg
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