Electric motors are assembled on four different production lines. Random samples of motors are taken from each

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Electric motors are assembled on four different production lines. Random samples of motors are taken from each line and inspected. The number that pass and that fail the inspection are counted for each line, with the following results:

Can you conclude that the failure rates differ among the four lines?

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Statistics For Engineers And Scientists

ISBN: 9780073401331

4th Edition

Authors: William Navidi

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Question Posted: Nov 16, 2018 05:12 AM

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Electric motors are assembled on four different production lines. Random samples of motors are taken from each

Question:

Line 1 2 3 4 Pass Fail 482 467 458 404 57 59 37 47

Step by Step Answer:

The row totals are O 1 1811 and O 2 200 The column totals are O 1 539 O 2 526 O 3 495 ...View the full answer

Statistics For Engineers And Scientists

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