An article in Environment International (Vol. 18, No. 4, 1992) describes an experiment in which the amount

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An article in Environment International (Vol. 18, No. 4, 1992) describes an experiment in which the amount of radon released in showers was investigated. Radon-enriched water was used in the experiment, and six different orifice diameters were tested in shower heads. The data from the experiment are shown in the following table.

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(a) Does the size of the orifice affect the mean percentage of radon released? Use 0.05.

(b) Find the P-value for the F-statistic in part (a).

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Engineering Statistics

ISBN: 9780471388791

2nd Edition

Authors: Douglas C. Montgomery, George C. Runger, Norma F. Hubele

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