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Concept explainers
13.50 through 13.54 Texts Sent and Received StatCrunch did a survey of users to find out about their texting. They were asked their gender, their age, and how many texts they send in a day and how many texts they receive in a day. The data are available at this text’s website. Assume the samples are random samples.
Sent and Received: Sign test Determine whether the
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Chapter 13 Solutions
EP INTRODUCTORY STATISTICS-MYSTATLAB
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