IE330_Ch8and9Reviewl_2008

# IE330_Ch8and9Reviewl_2008 - Spring 2008 IE330 Quiz 2 90 80...

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Unformatted text preview: Spring 2008 IE330 Quiz 2 90 80 70 60 Median Mean 80 78 76 74 72 1st Quartile 68.500 Median 72.000 3rd Quartile 86.000 Maximum 100.000 71.958 77.736 72.000 79.000 11.640 15.778 A-Squared 2.21 P-Value &amp;lt; 0.005 Mean 74.847 StDev 13.395 Variance 179.417 Skew ness-0.287477 Kurtosis 0.125629 N 85 Minimum 37.000 Anderson-Darling Normality Test 95% Confidence I nterv al for Mean 95% Confidence I nterv al for Median 95% Confidence I nterv al for StDev 7 23 34 7 11 2 1 9 5 % Confidence I nter vals Summary for Quiz 2 Spring 2008 IE330 (True or False) To construct a confidence interval on the estimate of population mean using the methods discussed in class, the population must be normally distributed. Problems Chapters 8 and 9 Spring 2008 IE330 Which of the below is the proper definition of ? a. P(Accept H0|H0 is true) b. P(Accept H0|H0 is false) c. P(Reject H0|H0 is true) d. P(Reject H0|H0 is false) Problems Chapters 8 and 9 Spring 2008 IE330 A manufacturer of precision measuring instruments claims that the standard deviation in the use of the instruments is at most 0.0002 millimeter. An analyst, who is unaware of the claim, uses the instrument eight times and obtains a sample standard deviation of 0.0001 millimeter. a. Confirm using a test procedure and an level of 0.01 that there is insufficient evidence to support the claim that the...
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## This note was uploaded on 05/06/2010 for the course IE IE330 taught by Professor Hooji during the Spring '10 term at Punjab Engineering College.

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IE330_Ch8and9Reviewl_2008 - Spring 2008 IE330 Quiz 2 90 80...

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