In a study of 3000 randomly selected teenagers in 1990, 450 showed some hearing loss. In a

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In a study of 3000 randomly selected teenagers in 1990, 450 showed some hearing loss. In a similar study of 1800 teenagers reported in 2010, 351 showed some hearing loss.

a. Do these data give convincing evidence that the proportion of all teens with hearing loss has increased at the α = 0.01 significance level?

b. Interpret the P-value from part (a) in the context of this study.

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The Practice Of Statistics

ISBN: 9781319113339

6th Edition

Authors: Daren S. Starnes, Josh Tabor

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