Flammability tests were conducted on children's sleepwear. The Vertical Semi restrained Test was used, in which pieces

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Flammability tests were conducted on children's sleepwear. The Vertical Semi restrained Test was used, in which pieces of fabric were burned under controlled conditions. After the burning stopped, the length of the charred portion was measured and recorded. Results are given on the following page for the same fabric tested at different laboratories (based on data from Minitab, Inc.). Because the same fabric was used, the different laboratories should have obtained the same results. Did they?
Flammability tests were conducted on children's sleepwear. The Vertical Semi

Use the Kruskal-Wallis test.

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Elementary Statistics

ISBN: 9780321225979

3rd Canadian Edition

Authors: Mario F. Triola

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