Practice quiz 3

640000 level e mean 17303030 b levels not connected

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Unformatted text preview: 0.83843 -4.6375 -0.6825 0 0 0 0 -3.997 0.87048 -6.05 -1.9439 1.33697 0.92637 -0.8479 3.52185 3.99697 0.87048 1.94391 6.05003 0 0 0 0 Mean 21.300000 18.640000 Level E Mean 17.303030 B Levels not connected by same letter are significantly different. 1. Based on the outputs above, which one is right? a. At the .01 level the MPG on average are not all the same among the three regions. b. The common variance in the model is estimated to be 347.2 c. The model is not useful since one can not tell the difference among the mean MPG between American cars and European cars. d. None of the above 2. What can you conclude? a. The MPG of Asian cars on average is higher than American and European cars at the significance level 0.05. b. The MPG of European cars on average is smaller than that of Asian and American cars at the significance level of 0.05. c. The model is not useful since normality is not satisfi...
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This note was uploaded on 01/16/2014 for the course STAT 102 taught by Professor Shaman during the Fall '08 term at UPenn.

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