Mechanical engineers, testing a new arc welding technique, classified welds both with respect to appearance and an X ray inspection Test for independence using ( alpha 0 05 ) and find the individual cell contributions to the ( chi 2 ) statistic Appearance Bad Normal Good Total Bad 20 7 3 30 X ray N...

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Mechanical engineers, testing a new arc-welding technique, classified welds both with respect to appearance and an X-ray

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Mechanical engineers, testing a new arc-welding technique, classified welds both with respect to appearance and an X-ray inspection.

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Test for independence using $\alpha=0.05$ and find the individual cell contributions to the $\chi^{2}$ statistic.

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Probability And Statistics For Engineers

ISBN: 9780134435688

9th Global Edition

Authors: Richard Johnson, Irwin Miller, John Freund

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Question Posted: Apr 27, 2024 07:01 AM

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Mechanical engineers, testing a new arc-welding technique, classified welds both with respect to appearance and an X-ray

Question:

Appearance Bad Normal Good Total Bad 20 7 3 30 X-ray Normal 13 51 16 80 Good 7 12 21 40 Total 40 70 40 150

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Probability And Statistics For Engineers

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