A recent survey by nerdwallet.com indicated Americans paid a mean of $6,658 interest on credit card debt

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A recent survey by nerdwallet.com indicated Americans paid a mean of $6,658 interest on credit card debt in 2017. A sample of 12 households with children revealed the follow  mounts. At the .05 significance level is it reasonable to conclude that these households paid more interest?

7077 7381 7625 8060 5848 7052 5744 6753 6636 7164 7348 9275

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Statistical Techniques in Business and Economics

ISBN: 978-1259666360

17th edition

Authors: Douglas A. Lind, William G Marchal

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