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 median number of texts sent and the median number received for all StatCrunch users are different at the 0.05 level by using a sign test.
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Introductory Statistics
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- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill