The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 9 - Producing Data: Experiments - Chapter 9 Exercises - Page 250: 9.42

Answer

See below.

Work Step by Step

"No significant difference" implies that the differences are very small and are likely to exist due to chance.
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