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Unformatted text preview: higher than 71 . 5 pounds given the mean strength of cloth is 70 pounds . It is what we called as ____________________ [Part B] (Bi) Is there any evidence showing that the machine deviates from the manufacturer’s speci f cations for average breaking strength? ( α = 0 . 05) (Bii) Compute the corresponding pvalue [Part C] If the sample mean of 49 pieces of cloth is 68.5 pounds. (Ci) Is there any evidence showing that the machine manufactures the cloth with a lower average breaking strength than the manufacturer’s speci f cations at 5% signi f cance level? (Cii) Is there any evidence showing that the machine deviates from the manufacturer’s speci f cations for average breaking strength? ( α = 0 . 05) (Ciii) Report the pvalues for (i) and (ii). [Part D] Redo Part C (i)(iii) if the sample mean of 49 pieces of cloth is 69.1 pounds....
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This note was uploaded on 01/06/2011 for the course ISOM 111 taught by Professor Hu,inchi during the Fall '10 term at HKUST.
 Fall '10
 Hu,Inchi

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