13.5. Thirty-five springs were made at each of the following temperatures: 300, 350, 400, . . ....

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13.5. Thirty-five springs were made at each of the following temperatures: 300, 350, 400, . . . , 600, so that n¼245. The dependent variable was initial tension of spring in pounds. Calculations gave r¼0.9346, bo¼7.500, b1¼0.004398, P

(y – y-bar)2¼54.26. Test r for significance.

Find syx and estimate y for x¼300 and 600.

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Elementary Statistical Quality Control

ISBN: 9780367578121

2nd Edition

Authors: John T. Burr

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Question Posted: Aug 31, 2024 06:05 AM

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13.5. Thirty-five springs were made at each of the following temperatures: 300, 350, 400, . . ....

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Elementary Statistical Quality Control

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