1301_0405sem1_sln

1301_0405sem1_sln - 6c) t= 2.9766 , df=11 , CV(0.01)=2.718...

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1a) mean=13 s.d=3.6856 1b) mean=-21 s.d=7.3712 1c) mean=-8 s.d=5.831 2a) 2/9 2b) 1/3 2c) 1, 1/2 3a) 57, 6.8 3b) 0.0280 4a) 0.2352 4b) 0.0867 4c) 2/3 , 17/25 4d) 20/39 5a) y^ = 85.7875 + 2.009x 5b) r=0.9336 5c) 190.257 5d) y^ = 91.008 + 1.915x , r= 0.9226 6a) 0.1126 6b) ( 139.854 , 141.046 )
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Unformatted text preview: 6c) t= 2.9766 , df=11 , CV(0.01)=2.718 , accept H1 6d) t= 1.2064 , df=14 , CV(0.10)=1.345 , accept H0 7a) p^ = 0.36 , CI(p)(0.95) = ( 0.2935 , 0.4265 ) 7b) CHI = 20.46 , df=5 , CV(0.01)=15.09 , accept H1 7c) CHI= 16.9337, df=4 , CV(0.01)=13.28 , accept H1...
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This note was uploaded on 05/04/2011 for the course STAT 1301 taught by Professor Smslee during the Spring '08 term at HKU.

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