A research group claims that the median age of the users of a social media website is
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A research group claims that the median age of the users of a social media website is greater than 30 years old. In a random sample of 24 users, 11 are less than 30 years old, 10 are more than 30 years old, and 3 are 30 years old. At \(\alpha=0.01\), can you support the research group's claim?
(a) identify the claim and state \(H_{0}\) and \(H_{a}\),
(b) find the critical value,
(c) find the test statistic,
(d) decide whether to reject or fail to reject the null hypothesis,
(e) interpret the decision in the context of the original claim.
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9781292260464
7th Global Edition
Authors: Betsy Farber, Ron Larson
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