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  book-img-for-question

Elementary Statistics Picturing The World

ISBN: 9781292260464

7th Global Edition

Authors: Betsy Farber, Ron Larson

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