13 6 In a research study of bituminous road mixes, seven samples were tested for xpercent water absorbed vs ypercent asphalt absorbed We find P P x43 18, 36 23, P x2285 7292, P y2207 5937, P xy242 6675 a Find r and test it for significance b Find bo and b1 and write the estimation equation c Find s...

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13.6. In a research study of bituminous road mixes, seven samples were tested for xpercent water absorbed

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13.6. In a research study of bituminous road mixes, seven samples were tested for x¼percent water absorbed vs. y¼percent asphalt absorbed. We find P

P x¼43.18,

¼36.23, P x2¼285.7292, P y2¼207.5937, P xy¼242.6675.

a. Find r and test it for significance.

b. Find bo and b1 and write the estimation equation.

c. Find syx.

d. Estimate y from x¼4 and 9. (The range of x’s was from 3.96 to 8.57.)

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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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13.6. In a research study of bituminous road mixes, seven samples were tested for xpercent water absorbed

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Elementary Statistical Quality Control

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